This does sound like a bad kid's party. Bummer! :-/ Poor mom - everyone is probably talking about this.
I don't have a bad KIDS party experience, but I do have a bad wedding experience...does that count?! I will share anyway...
Wedding was in MN in July. Temperature was a steamy 96 degrees. Ceremony was nice, church had a/c. Fast forward to the reception that was at a "hoity toity" golf course/country club. My hubby (then fiance) and I got our name cards, were looking for our table, asked someone close to wedding (aunt/MOG, maybe?) where our table was because we weren't seeing a table with our number. She said, "Oh you guys are in the outside tent!"
So...we, COUSINS of the groom, were seated at what we affectionately called the "kids table" OUTSIDE in a plastic (typical white event) tent! It was HOTTER THAN HOT! We tried undoing one of the sides of the tent to get some airflow and one of the waiters yelled at us...
Oh wait! There is more! We are sitting around, waiting, wondering when the food is going to come. What time is it, anyway? 7:30....WHAT? Dinner was on the invites for 6:30! Keep waiting...we did not get served dinner until 8:00. Turns out they FORGOT about those seated in the tent and when they had "extra" food inside, they asked those in the dining room if anyone wanted seconds!!
Most of us cousins at the kids table (most of whom were 21 and older) were drunk and hungover before we even got our food! .....That was our joke...but it was a pretty pathetic wedding reception, indeed. Needless to say, the marriage didn't last very long.