I suggest in my own discussion of this episode, Mann invites us to set the attempt to philosophize about his predicament in the context of Aschenbach's life. The literary presentation thus adds to the naked philosophical skeleton.
I use biography, I use literary connections (as with Platen - this seems to me extremely helpful for appreciating the nuances of Mann's and Aschenbach's sexuality), I use philosophical sources (but not in the way many Mann critics do, where the philosophical theses and concepts seem to be counters to be pushed around rather than ideas to be probed), and I use juxtapositions with other literary works (including Mann's other fiction) and with works of music.
Aschenbach is not only a projection of Mann in the obvious ways - same daily routines, author of the works Mann had planned - nor even in sharing his author's aspirations, doubts, and sexual identity. His watchword, "Durchhalten!" [persevere, keep going] could be Mann's own.
Consider the different narrative styles within the story, and the glee with which the "moralistic narrator" celebrates Aschenbach's fall - maybe, then, this is a hostile verdict and the international fame is warranted after all (given that Mann modeled his protagonist so closely on himself, it would be quite odd if he had intended Aschenbach's literary inferiority to be a fixed part of the interpretation).
Presenting Aschenbach as a composer - based on Mahler - leads to some dreadful scenes (especially those in which Aschenbach is berated by his student), and it surely distorts the character Mann created. Yet, we know that Mann's novella was based on a holiday in Venice he took with his wife and brother, and that while he was there he followed the reports in the German newspapers, describing the dying Mahler's progress as he returned from New York to Vienna.
Think about Mann's own daily routine (ascribed to Aschenbach), read the extant diaries and the letters in which he discusses the novella's themes, and it won't be so obvious that the attraction to Tadzio is completely unprecedented; it also won't be obvious that what Aschenbach wants is full sexual contact.
I found a deep kinship between Mahler's recurrent attempts to confront all sides of life and to affirm himself in the face of his own finitude, and Aschenbach's dedication to persevere in the literary evocation of beauty. Exploring this kinship led me to reflect on many of Mahler's songs and symphonies - and particularly his great masterpiece, Das Lied von der Erde. The end result was a way of reading Mann that I hadn't originally anticipated at all.
Mann's sexuality and his attitudes towards it are extremely complex - and the complexities are inherited in the figure of Aschenbach. Mann had lived through a series of (almost certainly unconsummated) relationships with young men.
When most people turn on their TVs, they don't expect a frank discussion of philosophical ideas in their practical context. Or any context.
To my mind, Death in Venice represents an enormous advance in Mann's literary development, not simply for the commonly appreciated reason that he crafted a superbly supple and elegant style, apparently well suited to the kind of prose Aschenbach is supposed to write.
Mann's Death in Venice actually contains a snippet of philosophy about the second question, when Aschenbach, collapsed in the plaza, engages in his quasi-Socratic, anti-Socratic, ruminations.
Critics who perceive the first level of Mann's irony recognize that the second voice is giving us reasons to be dubious about various aspects of Aschenbach's life and work. But many of them don't appreciate the second level of irony, the one exemplified in setting this narrative voice alongside the more sympathetic one, and inviting us to choose.
Technical Expertise is composed of all the little and large bits of technique known to the skilled painter, musician, actor, any artist. He adds these things together in his basic presentation. He knows what he is doing. And how to do it. And then to his he adds his message.
I would suggest is that in the latter 1990s it is extremely important to look at the predicament of black people within the context of the globalization of capital.
Finally, this is one way to reconcile the delight in beauty with the bourgeois life. Aschenbach, on one reading, has spent virtually all of his adult life balancing his restrained homosexuality, which is bound together with his sensitivity to beauty and thus with his artistic vocation, against the demands of conventional society.
Thus the labour of a manufacture adds, generally, to the value of the materials which he works upon, that of his own maintenance, and of his masters profits. The labour of a menial servant, on the contrary, adds to the value of nothing.
Read Mann's notes, which contain precise accounts of cholera and its symptoms, and observe how careful he is throughout his fiction in getting medical details straight - then you might begin to wonder whether cholera is the only candidate for the cause of Aschenbach's death. What results from this, I think, is a deeper appreciation of Mann's brilliance in keeping so many possibilities in play. The ambiguity is even more artful than people have realized.