I kind of think that's how it's supposed to go in my made-up-right-this-second knowledge of the evolution of open source Federated social media sites. Pick the largest/most active/most variety to get your feet wet and make any weird mistakes you need to make in a crowd where you're one of many and sheer speed of posting means you'll be forgotten in like, hours. Then you get comfortable and see if this is a forever-fit or just a okay-right-now fit.
I mean, I hard-bond to my first and pretty much settle immediately for life unless something is seriously awry, but even I made a backup in another one that I mirrored all my favorite communities in and I am seriously getting one more in a smaller, more specialized server. Yes, I do get the point of Federated, you do not need to explain, but here's the thing: intellectually I know that actually, the population of the Fediverse is orders of magnitude smaller than reddit or pretty much any other social media site, but feelings do not agree: Reddit was like a large, slightly hostile country with a lot of states you avoided always but especially between dusk and dawn; the scope of Fediverse is like being on a very small planet in an expanding universe you can watch growing in real time and it never stops. It's great, but there's something very unsettling realizing you're eight servers from home surrounded by kpop or wake up to find you posted in three communities in servers you don't recognize at two AM and if you can get a reputation for that kind of thing.
My ADHD is living the dream, let's go, but I can see how it would throw people a little.