I think the tone of mockery Heller finds is a part of Mann's irony, but only a part - a brilliant further touch consists in juxtaposing perspectives so that we're led to wonder whether the mockery itself is the last word.
Philip KitcherPresenting 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.
Philip KitcherWilhelmine Germany was hostile to the expression of same-sex love - and, of course, Mann would have known of the fate of Oscar Wilde. His early reading of Platen's poetry, and, probably when he was in his early twenties, of Platen's diaries, introduced him to a form of sexual expression he found profoundly congenial. It's not quite Platonic.
Philip KitcherI take the ethical truths to be the stable elements that emerge out of ethical progress and that are retained under further ethical progress.
Philip Kitcher