And there's the real reason to permanently distrust Unity. Not what they're doing, who they are. They're a scorpion. Doesn't matter how long it's been since they stung someone. It's in their nature.

Why is it that when companies acquire adtech companies, it seems like the adtech ends up on top?

My guess would be that only companies whose leadership already want to become adtech make the decision to buy an adtech firm.

This is a fair point. So they've already decided to change direction, they're buying expertise and a clientele.