There are potentially intriguing synergies down the line, beyond establishing a social presence.
Fediverse platforms could integrate links to wikipedia content in a native way, somewhat similar to openstreetmap.
The reverse is more speculative but potentially more groundbreaking. It would be a parallel "fedipedia" platform that would somehow distill, organize and preserve the various bits and pieces of useful information and knowledge that is being generated in social media platforms.
One of the sadest outcomes of the adtech based walled garden era is how decades of human interaction and information exchange ends up in a sort of digital landfill.
We need to think more boldly about the next web and the shape of the digital commons.