Board Thread:Arrow discussions/@comment-9346948-20180309045038/@comment-3423279-20180317230623

And we can go even further back than that with Barry existing and his existence causing all of Eobard's stuff.

And we can go further back to Henry and Nora Allen having the gall to want a kid, so it's actually their fault that Eobard is a psychopath and turned evil by his own decisions.