Only "evidence" that I can sight (because I don't know the details of
most of the incursions) is the big one with the student and older guy in
the 150.

Jose wrote:
This attitude of "I don't need no stinking whiz bang GPS", followed by
busting restricted space, followed by, "I am going to fight you to the
death on trying to violate me": I think cases like this hurt the
survival of free flight that I love.

Do you have any evidence that the people who do the first are the same
ones that do the second and third?

Jose