It's the number of users logging in and hitting those servers that's the main issue. 44,000 users is a lot for one instance to be pushing content to. I wouldn't say it's just aggregating Lemmy content either though, there are plenty of popular communities on kbin as well, including this one.
It's the stevia, it's a sweetener but also a laxative. There's a certain brand of soda that uses stevia as its sweetener also and will have the same effect.
I browse All a lot and right now, without doing any scrolling and just looking at the top 6 posts on All that fit on my monitor, 2 of them are about Linux lol
Ah, Reddark is only tracking subreddits that said they were participating, the ones that listed themselves in the Modcoord threads. There are far more subreddits that exist than the 8,829 they're tracking.