The 5% who do not get bored with flying because like me, whether 2400' s&l or doing aero's, flying is flying. I personally think its a great privilege. However that said, why can't something along the lines of glidings, bronze, silver, gold award be introduced to further your flying achievement, instead of the IMC, night, twin route that many seem to take.
Bob Manners organised the Around Britain Air Rally, for the reason of pushing the envelope with like minded people. One on the rally had just passed his PPL and had done about 20 hours before entering the rally, others had some 800 hours!