My sister just got home after working a flight where a young girl had to be restrained by the police on the aircraft after her mum had made death threats to fellow passengers after they asked her to control her two youngest kids. Something has got to give.
What has got to give exactly? One single example of unreasonable behaviour from a parent proves what exactly?
The problem is these days, children from an early age are put on a pedestal and given far too much leeway - many parents act as if their child should be the no.1 priority for people in the immediate vicinity, and so they grow up without any sense of consideration for others, and a self-centered view of the world. Definitely the slipping standards of parenting are to blame here, as is a very soft justice system.
I try my damdest as a parent with my kids but people like you tar everybody with the same brush the very second they make a little bit of noise or don't fit into your perfect utopian world view.