This is a bit of a trivial pet peeve but do you get extremely irritated by some law firms' extremely large and obnoxious email signature blocks? Containing unnecessary info, graphics etc.
Some of these are single images or graphics so they're also not possible to trim off.
I notice that some juniors always include the full sig block for each and every email they send. Why can't they follow their partners and not bother to use a sig block at all? Or a simple text based one.