I appreciated that Wirecutter's review of VPN services began with investigating which ones had contracted for 3rd party security reviews. This presciently excluded many providers that were all about marketing, like NordVPN. I think this is the best approach rather than the litany of mostly useless criteria that's cataloged on ThatOnePrivacySite. You want to extract out the high signal, and "will my VPN service get hacked and all my traffic get leaked?" should probably be your first question when choosing a service.
Full disclosure, I'm the author of AlgoVPN, a set of scripts for hosting your own VPN rather than using a 3rd party service, and was interviewed by Wirecutter for their article. You should use Algo if you're at all capable of doing so: https://github.com/trailofbits/algo
https://thewirecutter.com/reviews/best-vpn-service/#how-we-p...
Full disclosure, I'm the author of AlgoVPN, a set of scripts for hosting your own VPN rather than using a 3rd party service, and was interviewed by Wirecutter for their article. You should use Algo if you're at all capable of doing so: https://github.com/trailofbits/algo