I’m a software engineer, and I’ve worked for the big tech giants. I’m familiar with how they track you. VPNs are worthless. Unless you’re trying to hide your activity from your own ISP (like if you’re pirating stuff), the VPN does next to nothing to cover your tracks. And it’s not like they’re gonna advertise their VPN by saying, “you can pirate stuff without your ISP catching you!”
If you want actual privacy, you’ve gotta use something like Tor browser or Tails. Of course, I’ve gotta wonder what you’re up to if you need that kind of privacy. Usually a privacy window is good enough.