That's going to be annoying now because it's private information only if someone didn't want to reveal their actual birth date or something, but now everyone knows that it could be your birthday today somewhere; you never wanted to happen, and it broke up everything on purpose, like a true surprise, whether or not
That is now extremely annoying, so it is suggested that if the user is dissatisfied, they should have the option of not having their birthday announced on the chat when it arrives so it does not cause a headache