Well this puts them on my blacklist. And I am an educator in precisely the artschool they would profit off catering to.

I refuse to teach my student tools that change the contract once you bought into them.

Adobe is on that list too.

The only major non-open source software that isn't is anything by Black Magic or Steam, both companies that have found healthy sustainable business models and jave acted reliable towards creaters and the open source community they relied on in their humbe beginnings.