I think it must be a North-South Thing.

I was on Lake Erie last year and there was a big group of fisherman from Missouri fishing for smallmouth. Probably about 12-15 guys. Each one of them kept his limit EVERY day of their trip...and these were 3-6 pound smallmouth every day. I found it disgusting, but it was business as usual to them. In fact, they thought everyone at the motel was keeping their catch. They offered to help clean our fish every day. (I don't think they ever figured out we were not keeping any)