I have name changed as for various reasons I don't want this attached to other threads.
We have been visiting my MIL for the last week. Not once has she sat down or engaged with DD who's almost 10, even on interests I would say she had with DH that are shared by DD. MIL has, however, talked about DD's much younger cousin to me (SIL's child) at length.
Just now, I have just finished doing something protracted and involved with DD and thought MIL might want to engage with her so pointedly sais "Well DD you could do something with MIL". MIL just stands there silently. Yes, DD could jump in and say "MIL can you help me with x" but I think she is just so used to not getting much engagement she is almost resigned to it. Instead, what happened was that MIL went away, got some stuff that had been left on a previous occasion dropped them next to me, and basically said "you could do this with her" before walking out again.
I suppose in my head, for various reasons, I am not massively upset that she doesn't pine over MIL (various ways MIL has with her on a general level) so prefer she is closer to my Mum (which is the case). However, on the other hand AIBU to be upset, or more a little sad, for DD.