WOW people are amazing! So, someone's WISH to sit next to the window or next to the aisle is MORE important than a parent sitting next to a 1 year old?!? And if the parent ISN'T able to sit next to the 1 year old because nobody will move because they are all so much more important, just who is going to be responsible for the 1 year old for the flight?? Why should someone with children pay more? Honestly, the question/issue here is that the airlines found ONE more way to impose an additional fee (optional fee, yes, but this is EXACTLY the kind of problem it causes). I can tell you all that I wouldn't let my EIGHT year old sit by herself on the plane, let alone my 5 year old. For one, it is simply not fair to the child (MY kids would not be comfortable with it, for sure). For two, the children would be subject to sitting next to GOD knows who, yes, freaks and druggies and molesters and such ride airplanes, too. And if you think that something "would never happen" on a plane, just ask all those people who have joined the mile high club on a packed plane.
No, people with families and children should not get more than they deserve. (I don't even understand where this anymosity toward children is coming from, it's utterly ridiculous - people with families are bullying and threatening??????) HOWEVER, parents sitting WITH their children I can hardly call more than they deserve.
Well you better not fly because according to the airlines 5 and up can sit by themselves and do everyday. If the flight is full you will have the choice of sitting in available seats or getting off and waiting for another flight. They will not force someone to move. My children have sat by themselves many, many times, have even flown by themselves without a problem. This is not something new.
Just because the need isn't as visible doesn't make it any less legitimate.

Who knows? There are a lot of personal, not visibly obvious, reasons why people wouldn't or couldn't move and they don't want to have to announce it to the entire plane. Just as there may be people with a GAC card at WDW and it is not visibly apparent why. You never know someone's situation. I don't think non-movers are specifically trying to screw over families, I think they probably figure someone else will move. Which I think is probably what happens anyway in almost all cases. I don't think anyone here has had the actual experience of someone not moving and ended up being separated from their child, have they? I have tried to keep up with this thread but may have missed that.