I would rephrase as companies whose express intent is to manipulate people's habits for their own gain. Entertainment is fine as long as it's done in relative good-faith (not gambling or manipulative microtransactions). Though the game dev sphere isn't a great job market right now for unrelated reasons.
> It's about gathering information about people (gray area) or understanding lots of information about people (gray area).
That's a very narrow lens. Software can also be about gathering and understanding information about the non-human world, for scientific reasons or otherwise. It can be about empowering people to manage and utilize their own information. It can be about empowering people to create new information. The key question is whether or not the intent is to make someone's life worse in order to make money.