Yes, and it's been covered extensively. The Wikipedia page and past discussion here are OK starting points if you find it worthwhile going down that rabbit hole

Yes, and it's been covered extensively. The Wikipedia page and past discussion here are OK starting points if you find it worthwhile going down that rabbit hole. I don't see why you'd want anything to do with them or their subsidiaries, unless your only research is googling "best VPN" and accepting the resulting misinformation at face value.