It depends on the situation. In my situation at home, port forwarding is stupid-simple and just works. My ISP does not saddle me with CGNAT (or any other form

It depends on the situation. In my situation at home, port forwarding is stupid-simple and just works. My ISP does not saddle me with CGNAT (or any other form of NAT). I don't use UPnP. I have a real (dynamic, but just-for-me and almost never changing) IPv4 address to use, and I simply use it. It works predictably. It works reliably. It is not even a little bit flaky. There is no voodoo involved. And it doesn't require me to teach my elderly mother how to use Tailscale with her Roku STB. (I recognize that others may have different situations. But the existence of different situations doesn't mean that one must declare a particular solution to be the "best", does it? KISS.)