Yes. And many users have many times done exactly that.

But I've BEEN there for the bitter, insulting interviews where Shuttleworth STILL moans and complains that Unity was the future and users were too thick to accept his vision. After they realized too many people were switching back to Gnome, they decided to put a stop to that by making Unity the only default installed DE and providing no further support. This is a company run by a man who by all accounts is a petty dictator who still doesn't get it.

I already left Ubuntu. That doesn't mean I don't get to call them out for being heavy handed and pigheaded. Just because something is open source and free does not make it immune to criticism. Just like I am free to go to another distro, Ubuntu's developers are free to ignore my comments.