My small instance had some instability while Beehaw was being botspammed in the random magazine. My instance's administrator explained that it was related to how Lemmy handles banned accounts in a very database inefficient manner. I think he also has an update not go as smoothly as anticipated once. But Lemmy.world being the largest instance gets the pleasure of discovering new scaling challenges as it grows

But, the big thing with the outages is I just went "oh okay, I'll just do something else then" just like the couple of times I experienced a reddit outage. I don't think it's as much a thing as the memes make it in both cases