Interesting. I thought about doing this immediately after reading their old blog[1] post on punching through NAT some time ago.

Just a combo of never getting around to it and friends talking me out of it b/c of existing alternatives such as wormhole[2].

[1] https://tailscale.com/blog/how-nat-traversal-works

[2] https://github.com/magic-wormhole/magic-wormhole