My son has chosen an activity to do for his birthday where the maximum of guests they can accommodate is 8. I agreed to this in the summer as I thought he was at an age where there would be less children being invited to birthday parties.
Since returning to school in September he has been invited to a few parties and there are still 15/20 children there. It would mean that he wouldn’t be able to invite everyone that has previously invited him to their parties (in previous academic years).
I really don’t want to offend any children or parents by missing some children off the invite list (which we may have previously invited).
YABU - Find another activity that can accommodate the whole group.
YANBU - Stick to the activity planned and invite his close friends only. It needs to happen eventually.