Does federation have a bit of a learning curve? No doubt.
Is Lemmy buggy as heck? Absolutely.
But I don’t think that really justifies a lot of the comments I’m seeing in Reddit alternatives threads that it’s hard to figure out. The front page feed and sort options are very similar to Reddit. Searching for same-instance communities is not too difficult. Posting, commenting, and voting are all quite intuitive. What’s the problem?
The first step is completely different from anything else you’ve ever done
This isn’t really true, you already had to do this for email. Never heard of that being a barrier of entry.
My parents prefer to opt for local privacy/security focused email providers, while I go with gmail for the feature set and design. But I used to try out a few different ones to figure out which one works best for me. Still use a hotmail email for my Windows account.
I fail to see how this is different to the situation with lemmy/kbin instances.