I'd be pretty certain that we all know someone who has won a prize that threatens the €750 limit... let alone €575. There has been a trend since the early 2000s to increase the value of prizes to ever greater heights. It seems to be almost an ego thing, especially with Captain's prizes.
In my opinion such significant prizes (holidays, TVs, sets of clubs) only encourage cheating, in its various guises. I hope that ALL organisations running amateur golf tournaments take note and appreciate that bigger prizes don't mean better competitions... sometimes the exact opposite.