Especially not simply making the site not load like that. If you really think a browser is so bad you don't want people using it, at least have it redirect to a message explaining what your grievance is. Unless the browser is DDoSing webpages it loads successfully, making the site look broken is pretty worthless as a response.

EDIT: Although, it looks like they tried to do that sometimes? No idea why they would switch from that approach.

It's not just that he disagrees with the things on an object, what happened level. He actively reads malice into every misstep to paint the organization as abusive.