Almost definitely, it’s hard to imagine there’s a community on lemmy.world that not one of the 20k users have susbcribed to

Pretty much any of the top 5 instances already subscribe to each others communities. Definitely not missing out on lemm.ee either!

One can easily get around that by simply subscribing to more communities!

probably it’s just not worth it attacking smaller instances? lemmy.world is such a juicy target given how big it is.