You make that sound like we can do something, it's only DSLR users that seem to get any hassle due to being a nice easy target, there aren't enough of us to modify government behaviour, I can't see there being poll tax style riots over the right to take a picture.
Since 911 it's a different world, governments and the public are paranoid, DSLR = terrorist Long lens in a public place = pervert
A friend saw me out with the 300mm f/2.8 taking some pictures of the dog, I offered to take some pictures of a her kids who play in a local football team, she looked at me like I'd suggested stabbing them, ooo I don't think they'd let you do that, I wouldn't even ask them.
100 years from now they'll be wondering why there are no pictures of kids playing in open spaces