Percent-wise I don't think there is any other company that contributes as much to open source software, I do think it was a dick move from them but let's not conflate the things.
My comment wasn't really related to opensource, but in general to their new way of doing business.
Nothing wrong with changing the company's direction and trying to go full profit mode, just don't try to pretend everything's the same as before.
The change in company culture is probably real. Just an anecdata but I feel like over the years radhatters are behaving more and more corporatish compared with how it was years ago, then again that can be just the "climate" of the Internet nowadays.