Not necessarily, email had to work well because businesses depended on it and (lots of) money was involved. Fediverse is a much more hobbyist endeavor and attracts groups of people who are not profit driven.

That could change sure, but that's why it's important to stick to these (FOSS) principles from the start. It's why it was important to reject threads in the fediverse and not let it overtake everything, which it luckily doesn't seem like it's gonna any time soon.