Well many ISPs have started to use CGNATs so static IPs have become/will become a rarity. In this case exposing your service to the internet is not so straightforward. But if this is nitpicking, in general, networking, proxying, port forwarding etc., have a steep learning curve. So when people, who are just starting out, hit a wall and post a query here it might seem like they must go through hell before they can achieve what they want.
Also, another thing is security. Even if it's easy to expose a service to the public internet, given the cyber climate, it's quite important to go through a few hoops to make sure you do it securely.
Well many ISPs have started to use CGNATs so static IPs have become/will become a rarity. In this case exposing your service to the internet is not so straightforward. But if this is nitpicking, in general, networking, proxying, port forwarding etc., have a steep learning curve. So when people, who are just starting out, hit a wall and post a query here it might seem like they must go through hell before they can achieve what they want.
Also, another thing is security. Even if it's easy to expose a service to the public internet, given the cyber climate, it's quite important to go through a few hoops to make sure you do it securely.