cannyfixit;
great user name! And a clever smidgen of double entendre.
In agreement; educated or complicated aren't instant qualifiers; can be a hindrance too. Both induce ''inside the box'' thinking as often they might create anew. All that can be what is 'handed down'; to be trumped by experience, creativity, and some assertive energy.
It is incalculable how many revolutionary devices were created by backyard mechanics. What is important; retain then utilize what works, and develop from that. Even the most complicated machinery is just made up from a lot of smaller, simpler, mechanisms. It does pay to learn specifics that suit interests you'll pursue; hardware, circuitry, welding, drafting, paints, woodworking, blacksmithing; usually the basics indicate paths, while some only reveal themselves after desperate failure! We all have that happen - bringing success that little bit closer.
Whether regarded as fun or challenge, I'm positive that HMT.net member subscribers would poll that it is addictive!