"I never quite understood why people have things in the trash they don't want to delete - if I want it, it's filed away somewhere else, if I don't it's gone."
Regrettably, some of us are immigrants from the justifiably dreaded Windows that has many features , like partial emptying of trash, that are substantially more flexible than the Mac OS. Accordingly, we operate with the naive (we actually believe those Mac - Windows ads on TV that suggest that Mac is superior to Windows in virtually every way) assumption that we can do with Macs with impunity what we regularly do with Windows. Too bad it ain't so...