Rewording it doesn't really help.
Old adage...People don't want choices, they want what they want.
Every time you ask a question you lose a chunk of your audience. With something like lemmy, they want to look at messages and respond. Let them do that. Encourage them to choose an instance later, when they're equipped to make that choice.
Yes that's a hard problem with federation.. mastodon went for a default instance as a solution. There are likely better ones but that's a problem lots of people are working on.
I've got an entire set of windows test VMs running unactivated for about 4 years now. We have a few at work too (we actually have keys for those but nobody has bothered putting them in).
The worst that happens is you can't set a desktop background.