Originally Posted by CarolynUK

as neither passenger had paid for exclusive use of the seat, both had an equal entitlement to use the space... Most reasonable people would have had some consideration for the comfort of both the mother and the child...

Originally Posted by UALOneKPlus

morally speaking, the aisle passenger was a jerk and should have allowed the parent or the child to use the middle seat, provided the child was well behaved and not get into the space of the aisle passenger.