Companies do precisely what capitalism gives them incentives to do. "Grift" is not a meaningful concept. A company can and will do anything the people managing it believe they can get away with that will increase their bottom line, yet, somehow, this behavior becomes unacceptable when it's a lowly worker doing it?
Well, let me put it bluntly to you, too, then: I don't give a fuck what you or people like you think. No company is entitled to own me body, soul, and spirit. I work the job I work solely because I have to in order to survive. If I did not, I would still be working, just not on the shit I'm working on now.
And, yes, most companies are. That's been my experience, and that's how they have to be if they want to compete in the market.