I respect your opinion, but I disagree. I much prefer an over the shoulder third person perspective to being a floating set of arms. Being able to see my character interact physically with the world and move around in it is more immersive to me, personally.
You would, but that’s where your firewall and SSL certificates come into play. I use a reverse proxy and forward port 80/443 directly to it. Everything I host resolves to a CNAME in Cloudflare and my proxy responds with a 404 to any unknown requests.