the article doesn't get the rule quite right. if you're sending a message with more than one sentence in it, a full stop is fine. but on shorter messages, the e

the article doesn't get the rule quite right. if you're sending a message with more than one sentence in it, a full stop is fine. but on shorter messages, the end-of-sentence is implied by the end of the message, so putting in a full stop on top of that is redundant. it seems like you're putting extra emphasis on the ending part, and the implication is something like: "there will be no further discussion." so it can seem hostile. and this isn't a gen z thing. it's just how instant messaging has worked forever.