Americans used to pity and be amused at countries where the citizens all wore drab work clothes and the leaders were belligerently under-dressed for … - Judith Martin

There is nothing to bring people together like a common grievance accompanied by refreshments.

The polite thing would be to say to the noisy person, “I beg your pardon, but I can’t hear the music. I wonder if you would mind talking more softly?” By the time you have said all this, a third party will utter a loud shush, thereby accomplishing your purpose without sacrificing your manners.

And you see control of your life disappearing as this catches on and people start booking your future without your consent. No, no, calm down. The “hold the date” card is not a summons, only a warning.