I was having an interesting conversation with somebody a few weeks ago and he had paired brother to sister for 11 generations and bred winners. What he did say the pair had to be a complete match, if there were differences or weaknesses in either then never put them together as the weakness would be reproduced and prominent in the youngsters.
you are correct but it will never change until the dead wood at the top are removed and the organisations have a big shake up to allow new ideas to be implemented.
You wouldn't believe how much patience sometimes!
If anybody has a copy of the BHW stud book, mid 90's with Holloway Boy on the front cover, that took 1 1/2 hrs and thats the only shot i got!