The similarities stop there, both are "metadata". The issue parent is complaining about is that tailscale sends data about communication data in your _private_

The similarities stop there, both are "metadata". The issue parent is complaining about is that tailscale sends data about communication data in your _private_ network to their servers. The reply to that is a blog post that clarifies that tailscale is not Tor. Irrelevant, nobody is comparing it to Tor.