He was a nonce all his life and a ziocuck, but in his last days he started seeing the truth and resisting his programming. Zion saw that as a betrayal from an investment.

There may be more behind it, and surely the fact his death so conveniently line up with the fake right agenda is... too convenient.

It's a really weird case i'm not going to judge as soon. But clearly the role of Tyler Robinson is grandly (and conveniently) over extimated. That's the only thing i am currently sure about.