I call that getting "PPT'd"
I saw people mention Bleeding Cowboys and Papyrus; 2 fonts we've laughed about around here a lot.
I hate Arial. I have a designer that will use it by default for simple stuff like VIN & DOT numbers. I tell her just because it's simple numbers, you can still be creative with font choice. I've threatened to uninstall Arial from her
computer.
My favorite is when people use Arial and then squish it. Do you not realize there is a font called "Arial Narrow"?!
When I get a poor design from a customer, I will send them my own version. Sometimes they pick mine, sometimes they stick with theirs. At least I gave them the option and later when they figure out their design sucked they can't say I didn't warn them.
My father-in-law likes to say "we've done lots of really ugly
signs for really happy customers". Sometimes people want what they want no matter what you try to tell them.