Stoat have ruled out federation. They are also UK based too. Not good long term.

I would really like to read the CLA, but this:

However, any distributed version that includes your contribution remains properly licensed under the project license(s) that applied when you contributed.

Seems like a green flag. If followed through in the CLA, it means that any version released under AGPLv3, that contains any contributions, will remain under AGPLv3. So in theory Fluxer could at some point change the license, but everything up until then would remain free and open source and available to, for example, continue a similar project. Furthermore, as long as the code contains contributions that were made during the AGPLv3 days the code will remain under AGPLv3.

Having the pricing model upfront is a good thing. Running these services costs money, and I'd rather know what their plan is now than be surprised in the future.

Really fair point, but I think some compromises are necessary to keep the project financially sustainable. Stoat is incomplete, it's not federated and has shady development practices. Also, vc barely works and it's unreliable as heck