Totally agree with everything you say. It's right to condemn the person - if they did something that's actually illegal and criminal - but we all should be more chill towards what they produced in the artistic field.
I think when you produce a piece of something that could be considered as art, it gets its own existence and some kind of life force that is (almost) totally disconnected from its creator. And that's one of the good sides of artistic creations. That they become somewhat universal