VPN privider knows you very well even if you pay with cash by mail. They know your connection-patterns on daily basis. You can always use Orbot Full VPN mode.
Using a VPN is not supposed to protect you from the VPN provider. It's just strictly better than just using your ISP. No one is arguing that tor isn't superior privacy wise. Why not route everything through tor? Because many types of internet usage are unusable and unviable through tor.