I did this same very thing out of Orlando to Milwaukee, kicked a family of 6 off. I say good for the Jetblue pilot.
In my case the dam kid was screaming up and down the aisle would not stay in the seat and the mom didn't give a sH#$ I after I returned to the gate and went back there to see what was going they all started screaming at me,
SEE YA! grab your stuff and go.
This is much closer to the real situation from what I have heard. The news reports are just one side of the story.