I can imagine whitelisting to become more popular as Lemmy user base grows and communities become more suitable for lurkers and non-techies who know nothing about federation.

Data for your instance: https://defed.xyz/check/eviltoast.org

It’s such a contrast seeing blank blocklist after using Beehaw and blahaj honestly. Small instances are so much better tbh. And this tool is great, thanks! I hope we’ll figure out how to get a list of blocked communities somehow. This lack of transparency is so annoying.