Well yeah. That's what a company is. Companies are also people, and people make decisions, and those decisions are sometimes influenced by more than the mere bottom line. You can't read their minds, and it's the opposite of charitable to assume the worst.
Fully agree about the rest though. It certainly makes business sense. But it took around a decade to maneuver themselves into this position, and it's pretty hard to believe they did it all solely for the green.
I used to exchange MSN messenger messages with Zoid, one of their most productive Dota 2 programmers. (Boy that sounds like ancient history.) He didn't strike me as a person who was particularly ruthless and mercantile. Just a driven programmer trying to do good.