Books

Depends on how many artists work I choose to avoid.

Right now there is one.
Her books meant a lot to me through my youth but I don't really miss any of the newer stuff that I don't consume.
And there are enough other books to read.

And before I get called hypocritical for not avoiding other, arguably worse, artists, it's not like I actively seek out stuff to boycott.
Rowling just actively inserted herself into a public conversation and now that I lost all respect for her I can't really enjoy her art anymore.

That's too bad for me, but the movies turned to shit anyway, so I guess I just stick to art, that brings me more joy.