One time in college one of these reply all things happened in a chemistry class of mine with about 600 students. It wasn't enough to take any servers down, but

One time in college one of these reply all things happened in a chemistry class of mine with about 600 students. It wasn't enough to take any servers down, but I did end up with several hundred new emails consisting of "Please remove me from this list" and "STOP PRESSING REPLY ALL" I've never understood why people default to reply all to something.