Quote: Yes, no and maybe. I have seen birds that are too large (not many), ones that are too small (a lot) and mostly ones that are correct. Pair a too large rooster who is otherwise excellent with a too small hen that is otherwise excellent. And vice versa. And DO weigh them to see how they fare. While a judge SHOULD know what he/she is feeling, they are not always accurate. There is a TON of resistance to having a scale at shows. IMO, it should not be used as a part of judging, but as a tool that is available for protests or for exhibitors to do their own checking.
In general, I have been told more often that my birds are too small, not too large. Some of them definitely are too small, but I would say most are about where they should be.