I don't know how many have been subjected to things like "motivational posters" and their ilk, but as a cynical IT professional I much prefer the more accurate "demotivational products" from https://despair.com/. My favourite is the retired demotivator (https://despair.com/collections/retired) :
I wish I could still get the desk sized variants of that one for my work desk.
Anybody else have any favourites of this sort of thing they'd like to share?
I like this one: