> ...quick question: what's the keyboard shortcut on a Mac to go to the beginning of your current line? Ah trick question, it's different for every god damned application! And some applications don't even allow for that without highlighting the entire line!

I realise this isn't really the crux of your post, and I broadly agree with you that computers still suck. But the answer to this question is CMD + left arrow. I have no idea what applications you're using where this doesn't work.