Weeks ago we spoke to PIL and invited them for Xmas dinner with us and our DC. They wanted to but "had to decline" as BIL and SIL wouldn't be happy if they came to us. (very 'difficult'). Historically BIL and family always go to SIL parents anyway so didn't see the problem.
Anyway, bit disappointed about it but agreed PIL would pop over on Xmas morning for mince pies and exchange presents etc. instead.
However, last week we discover that BIL, SIL and kids are now going to In laws for Xmas day and MIL doing big dinner. Also PIL now not coming to us Xmas morning as they'll "need to prepare dinner" We only live 15 mins drive away so they could easily pop over for an hour then still be home for hours before BIL and family due to arrive but "too much hassle" apparently.
Also asked PIL to come to a Christmas event with us and DC, again they said couldn't come for reasons of 'fairness' but turns out they went there anyway with BIL and family last weekend, pics all over FB marked "day out with the family"
This is just the latest in a very very long line of similar instances. Basically they do whatever to keep BIL and SIL happy, sod the rest of us. We've even been told to keep it secret when we've been out for lunch with PIL etc in the past.
AIBU to think that for once, just once, it would be nice if my DH and DC could be the priority rather than BIL family all the bloody time and to think that PIL should just grow a pair
(for want of a better phrase) and spend time with us and our DC if they want without worrying about BIL/SIL throwing a tantrum!!