I used to work at a gas station. They are not more reliable, not even close. The difference is that a gas pump is never unattended and the attendants can quickly do the easy fixes, like a reboot.

Pay attention to how often a single pump is out of service at a gas station. It's quite frequent. You just don't care because there are other pumps you can use.

OTOH, most non Tesla charging stations are a single charger with multiple heads. Redundancy is a big reason for the perceived reliability of gas stations and Tesla superchargers.