IO540
You are quite right some people do get a lot of Parker Pen time in the log book but these cases are few due to the results if you get found out, I know the CAA had a good look at a mate of mine who did almost all of the (then) required 700 hours for licence issue on his own aircraft, I just happend to be in an airfield Opps office when the CAA FCL called to check the airfield movements log for my mates aircraft.
The requirment for EASA is to have 150 hours before CPL issue, this results in most wanabes having to get about 70 hours of flying as the rest of the 150 hours is taken up by flying on courses for licence issue.
Some hours builders just fly lots of local trips, I encourage my customers to go places and they have been as far as the Scotish isles and the south of France. For the guys who get up and go places it is not only fun but it teaches them a lot more that following another Florida Interstate highway.