We all know better than to use Comic Sans in formal letters, notes or anything that is work-related (or not work-related, because this is the worst font). But it seems as if this person didn’t get the memo that Comic Sans is not an appropriate font to use unless you’re a middle school student selling lemonade over the summer to make some extra pocket money.
Does he really expect to be taken seriously when he uses this font? Closing doors can be a real issue in offices for people who have a hard time keeping their concentration, especially when other people around them won’t stop talking about GOT or humming Frozen tunes. We understand the value of this sign, but if you want to be taken seriously, next time pick a better font.