From another place in internet land:
SM is hurt because dad used the word "we" when referring to how he and mom were handling something with their children who were doing some pretty questionable things. She said the only "we" that should exist is SM/dad and most agreed with that poster that dad was wrong.
1) How do people feel about that when the parents are trying to raise their kids together and work things out? Is that not a "we" situation when you are working together for your kids?
2) Is it okay for the dad/mom to use the word "we" when talking to their ex about the kids that mom/dad share? If so, why is it okay for the SP to be a we where other people's children are concerned, but not the parents for their own children?
3) How are parents, who are discussing what they are doing with their ex regarding their children, supposed to refer to the pair of them working together?
4) Would it just be better for those who don't want to hear that word just be kept out of the loop altogether?