Sorry if my meaning does not translate very well over the internet. Let me explain about my analogy. In my own line of work, both types of technicians are very useful (heavy duty diesel and hybrid techs) and are indispensable to their particular client set . While both can answer some 'cross platform' questions, you really do need one or the other for specialized answers.
I guess my 'tone' was not acceptable, and I apologize. I and many others do have client side questions before possibly plopping money down on a motherboard now, or waiting.
Again, I apologize if I caused offense. Your information is far from unappreciated.