Is the premise that users should not be allowed to use vpns in order to participate in ecommerce?
Nobody said that, it's your choice to take whatever action fits your scenario. I have clients where VPNs are blocked yes, it depends on the industry, fraud rate, chargeback rates etc.
Checked my connection via VPN by Google/Cloudflare WARP: "Proxy/VPN not detected"
Could be, I don't claim 100% success rate. I'll have a look at one of those and see why I missed it. Thank you for letting me know.
measuring latency between different endpoints?
I see the webrtc turn relay request..