Snow Leopard was so buggy that it had an infamous data loss bug: https://www.reuters.com/article/lifestyle/snow-leopard-bug-d...

People forget these things after they get patched out and time passes. What's left behind as memories fade is a feel-good mythology about a bug fix release that never really existed. The truth was that engineering resources had been shifted to iOS, which delayed Leopard, and the "no new features" marketing was a way of justifying the lack of resources.

The guest account bug was the one thing. But who still uses guest accounts in 2009?

It’s annoying to read what amounts to the same reply multiple times in a thread, and needing to commit your username to memory to remember if it was you or not.