They really don’t, not that I’ve seen anyway. Just stuff like this article that’s 10% them doing something perfectly reasonable and 90% people going “they just feel shady!”
If you can show me actually shady stuff they’ve done, I’m happy to change my mind.
Usually when I ask this, it’s something like “they do ads!” to which the obvious reply is “yeah they tell you that upfront”.
Eh there’s really only 2 players in the browser game right now