It is one of the tools I use as well and I pay for it. It makes life so much easier. At work we have to test a lot of country dependent settings and with TS and Mullvad is is very simple. I can also access my home network easily.
expand plz
(Like If I wanted to crawl an area in germany, but needed an exit tracert that originated there - a tailscale droplet that could be connected to, perform [object] and openly pipe data back to master?