No it is quite simple so your club makes more money. If it wasn't profitable the clubs would not or could not continue. It is all very noble to say you do it for the sport but if your club lost money they would soon stop.
There maybe all secondary reason but money/profitablity is the key.
I think New2 is right. I used to think that regattas were run for all those noble reasons, until I got on our fleet regatta committee one year. I was informed by our commodore that the primary reason for putting on the regatta was to make money for the fleet, so the fleet would be able to afford more activities and amenities for its own members.
