Whether or not you can separate an artist for their art is a question everyone must answer individually, as is whether their present should affect our perspective on their past. But regardless of who he is today, Kanye's ascendance is still an epic story of hard work and talent manifest. You could see his artistic vision taking shape year after year, as the stages got more ambitious and the music branched out in unexpected directions.
At this point, we can't say whether Kanye will ever tour again. But even in that worst case scenario, he's already given us 15 years of greatness. Here are videos of Kanye performing every year since 2003.