Sounds like this meet and greet has given everyone the attitude of 12-year-old boys heading for Space Mountain.
I would add that there are very important safety reasons that running (or jogging or speed walking) is not allowed in the parks. Just because the CMs are not authorized to tackle you because you ignore the instructions being yelled at you does not mean that you should risk your family's vacation by potentially injuring yourself, or risk another family's vacation by potentially injuring someone else's child. If CMs are yelling at you to stop doing something, STOP DOING IT.
Alternatively, take a good long look in the mirror and ask yourself what kind of person would put small children at risk for the chance to spend 60 seconds with some struggling actress dressed up like a cartoon character.