This issue of separating the artist from his work is eternal and the comparison with some of these more contemporary issues you’re upset about rings a little hollow.
The issue of not wanting to give money to a (perceived to be) horrible person, or company, or cause seems somewhat valid to me, hence it does seem like there’s a distinction to be made between, for example, Asimov and Polanski. On the other hand, I might encourage the conflicted to question whether the fraction of a penny Polanski gets when somebody streams Chinatown really moves the needle…