Or unless you do live in a competitive market based economy, and have a choice of several ISPs with practically equivalent offering aimed at the lowest common denominator, none of whom supports something niche like "giving you facilities for hosting stuff at home".

If there's one thing market competition does well, is remove any kind of meaningful variety - because supporting a niche offering costs money, and is not worth it unless it nets positive, otherwise it's just a drag that makes you fall behind your competition.

The average person finds port forwarding much more confusing than "allow Minecraft y/n"