Lol, so other mappers shouldn't test someone's map? Thats just bull****. And mappers can't play? Depends what you mean. Most good mappers can play as well as any other. And they do understand the features in a map that can enhance gameplay.
Tbh, the retail maps arn't exactly the best maps for competitive play in the world, and are only played because they are retail maps.
I'm seriously fed up with people saying visuals mean nothing, or visuals arn't important, or just people saying graphics are not as important as gameplay.
No one would be playing ut2003/4 if that were true. It was created because they felt they needed to update the graphics, and after all, they had the base gameplay down, made for UC. It was ported over to the PC to make sure us PC gamers didn't moan. good job they did too.