That's pretty funny, but I was being serious. Let's put aside his lack of educational credentials for the moment and say he's a person who for whatever reason, has had a strong interest in electronics dating back 25 or so years. Maybe he took a few courses, maybe he went to the library and started boning up, subscribed to various amateur electroncs publications, built some kits, tore stuff up and put it back together again. A person like that would've developed skills and knowledge. He'd have practiced and developed skills in soldering and the ability to understand and solve circuit diagrams. A person like that would have the tools necessary to do his job effectively, know how to use them and know how to intepret the results. You'd expect something like that, wouldn't you?
It's not like the above is unusual. You all probably know people who aren't professionally trained but are pretty good at what they do. Might be a grandmother who makes a killer apple pie with the flakiest crust and doesn't have to measure. She looks and feels things with her hands and you wonder why the damned better quality restaurant you go to can't do the same thing. Or maybe it's an amateur astronomer who makes his own telescopes and on his own has studied optics, ground his own mirrors, and has made discoveries. He can have a serious discussion with trained astronomers and even help a college student with their optics and light transmission assignments. Or maybe it's that car modder who's developed understanding of engine performance enhancements and knows what he's got to do to the transmission, axles, suspension, ECU, tires in order to get all that performance to the wheels and start turning 11's at the track.
The world is full of people that haven't had formal training but know their stuff. They might not be able to design a car from scratch. They might not be able to bake everything. They might not be able to design a new glass with a particular property. But within their specialized area they're pretty sharp Why, some even kick Bobby Flay's ass from time to time. People like that can have intelligent discussions with professionals who have trained skills in those area.
Now, is Schulte one of these? The shear breadth of what he says he can work on indicates a great familiarity with the circuit designs and more than a passing knowledge of electrical engineering. But if a problem arises and he is incapable of diagnosing and fixing it and instead needs to turn to an outside source ought that not tell you something? He might be just like that person who fancies himself a Honda Civic modifier (a very popular car for this sort of work) but all he can do is throw on a cold air intake, swap the plugs for Iridium based ones, put on some blue silicone 8mm wires, and replace the exhaust with 2" pipes and a throatier muffler. Both people have replaced perfectly good parts with more expensive and theoretically 'better' parts whose names have a certain panache. Both people know what buzz words to say because they've been repeated enough and for the unitiated, they seem to suggest competence.
Yet, if you ask both if they measured before and after the answer will be no. If you ask them more technical questions they'll look at you like a deer caught in the headlights. A person wrote to me when they asked Shulte a question about 12 volt triggers, he was flummoxed. He was caught in the headlights. I suggest that those interested in Schulte's work, and for that matter any person who is in the market of modifiying equipment, something more probing. Don't be satisified with the auto responses of better pace, timing, darkness, musicality, space, enhanced organicness, more analog, and all that. Anybody can babble those off. Even a comedian. Some work the comedy clubs in Michigan. Some work you.