What you fail to grasp is NO ONE is limiting the amount of high end PCB guys.
Look at it from a wider perspective than that your imposing by viewing from YOUR own knowledge/perspective. CAD companies have training courses, they do not restrict who goes on them, they may limit numbers per class but that is purely so they can deliver an effective course.
There is no limit to what you can learn on your own, ALL cad companies place no end of video AND other training material all over the web, it would not be in there interest to have restricted knowledge. Look at it this way...................
You sell CAD software, what kind of numpty company then makes sure it only has 5 people in the world that can use it? they wont as many people as they can get to use it, they spend vast sums of money to grab market share.
The problem is people cant be bothered to learn by teaching themselves, they expect to turn upto a lecture etc and have the knowledge magically inserted via there ears. The fact is just about everything boils down to experience, the more you do something the better you get at it.
When my dad took people on it didnt mater if they could use X equipment, if they were made of the right stuff then he paid to have them trained or trained them himself. Your work issues etc are not because if a conspiracy or even hard CAD packages, your problem is you want the world to work your way and constantly look for solutions to make that happen.
Identify your weak points (ok for the sake of brevity just pick a few) and work on them, its easier to change oneself than the entire world
. Now go get me a nice cup of tea and sweep the floor