I tend to pick out ones that people can relate to especially today, usually of a political nature. I can absolutely post about more mundane or cynical things, I just wasn't sure people would be interested in that.
*and as always, people can post comic strips themselves if they feel I'm missing out on some (:
I noticed too, but don't mind. The general idea is "this really grinds my gears" and that includes things people not making their mind up at a restaurant or chit chatting instead of getting out of the way for customers, etc.
To be fair, those would be memes in modern era, too.
The fact that animal abuse peeves the author is indeed based for 1919, though.