OK, this is basically a rant.
For background, DH and I and our DC always spend Christmas Day itself, just the 4 of us at home (reason behind this, won't bore you). We see extended family on the days around Christmas.
Over the last 9 years the following has happened with my side of the family (on a day/s around Christmas)
on 4 occasions my parents have hosted everybody at their house on 1 single day
on 3 occasions DH and I have hosted everybody at our house on a single day
On 2 occasions DH and I have hosted everybody at our house in dribs and drabs
(so basically everyone came to us, or we went to my parents)
This year my brother and SIL have announced they'd like to host everyone at their house en-masse.
This would be fine except ... everybody has said how thoughtful this is as it will give our parents a break as "they always do it". Er, no they don't I say and point out we've done it quite a few times as well. But apparently no one remembers this.
AIBU to be pissed off and never invite anyone over at Christmas again :)