Her methods are nuts, obviously, but her beef with Youtube is entirely justified.
The end result, unfortunately, isn't going to be Google/Amazon/Facebook/etc... realizing the error of their ways - it's going to be them over-reacting to protect themselves.
I expect Silicon Valley campuses will get locked down. I expect any content that even slightly might maybe insinuate violence will get taken down.
tldr; The problem is going to get worse before it gets better.