You are speaking as someone who gives a shit about technology. Many people don't. "Just another account" is a big ask for many, as lots of people don't have password managers. There are a whole shit ton of people who want to use as few apps as they can. Even lots of tech-savvy people, myself included, feel this way.

> After that you forget it exists until someone messages you.

Until you get a random notification asking you to take steps to keep your account active or whatever. You may not care about this, but many people get stressed out about this kind of thing.