An analogy:
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I am a fan of classic rock and alternative music. And usually, it isn't until well after I became enamoured by songs, albums, even entire discographies, did I start trying to find out more about these rockstars.
Given the groupie/drug culture behind popular music (particularly rock music), I should not have been surprised by the sh1t these rockstars pulled. I am cognizant of my own personal naivete. I should've known better. Yet, as more revelations are revealed, I am increasingly shocked at the depths of depravity. I'm still not desensitized to it.
So how am I supposed to feel about the music I enjoyed prior to the revelations?
I won't deny the joy I felt when listening to the music prior to the foreknowledge of certain sh1t. That initial joy should not be "cancelled" or blamed. It was an experience that became a part of my life. Sullied afterwards, yes, but that wasn't my fault.
So when I find out about unsavory crap after the fact, I do instinctually try to separate the art from the artist. Otherwise, I'm only stealing joy from myself. And those rockstars don't get to do that in addition to the sh1t they pulled. Maybe I won't buy the next album. Maybe I wont watch a subsequent tribute to said artist/band in celebration. Maybe I'll feel disgusted every time a new album or tribute is publicized.
But if I know beforehand what a piece of ungodly sh1t a rockstar is beforehand, I ain't listening/supporting their music. Personally, any mixed feelings I would have are absolutely on me 100% for having participated.
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And that's basically how I feel about movies and movie stars. F#ck Ezra Miller.