oneshot I disagree. QDM is a great program that should we used when at all possible. it gives the other deer a chance to grow up to show their full potential. Ya you do take the big bucks, but over a period of several years. You cannot just go in the first season and everyone take the biggest, you have to set guidelines. On the farm my bro and I manage we set a limit of 2 does to every buck harvested, Bucks have to have at least 4pts on one side with at at least a 13" inside spread. Some years that means only a few bucks are taken. We have a limit of bucks to be taken per year as well, based on our professional observation of the heard throughout the year, food plots available, and crop production (both grain, fruit, acorn, etc.)
For a problem of all the big ones being out of the gene pool, shows a HUGE lack of enforcement any guidelines. That is just something where persons involved wanted to claim "we practice QDM on the farm" but fail to enact any forceful control of what the hunters take.
QDM works, and works over the long term, and i have proof to so for it. Close to 7 years on one particular farm we manage, with close to 100 deer taken in that period, has shown an increase in both fawn production, body size, antler growth, and all around heard health.
This is just my professional opinion, backed with both success and data to show for.