It's more closely related to the initial intentions of the internet than most other social platforms. Ideally it could get things going back in the right direction again iif nothing else!
No it turns the problem from your account being owned by a company looking to turn a profit to random people on the internet. If we had a way of downloading our accounts and transferring instances then maybe.
since there isn't any strong way to collect data or advertise it will always be an underdog compared to big business.
that being said, the fediverse could outlast a few mainstream networks and build lasting strength with that. I'm an ideal setting it could become a defacto network over time.
can we get young people coming here though? that's how we get the tides to turn