I agree with you when it comes to private messages, and anyone sharing those is a jerk. I don't agree in this case where the system is designed to spread those

I agree with you when it comes to private messages, and anyone sharing those is a jerk. I don't agree in this case where the system is designed to spread those posts. Fair enough if you don't want that to happen, in which case don't use a federated system where that is a design goal.