I’ll admit I didn’t read all of this, but I just want to be clear right up front about this. There is no question that I’ve played the same or similar licks probably thousands and thousands of times over the years. That’s just going to happen even for people who are primarily unstructured jammers like me. I don’t know what post you grabbed the line about never doing “repetitive practice”, but I apologize for giving the impression that I’ve never had to repeat anything. That’s definitely not the case. Saying that I’ve “never practiced” is super misleading, and not how I’d characterise my own progression at all.
What (I think) I was probably referring to is the thing where you sit there with a metronome for hours repeating an exercise at a specific tempo, then bumping the metronome. I haven’t ever done that. As a teenager I did lots of what people probably call “noodling”. I didn’t get nearly as far a the average Cracking the Code viewer gets now because I didn’t have much to go on. I plateaued after about a year and a half once my fingers and hands became comfortable holding the guitar and I was able to play basic “80s fast” legato type stuff like rudimentary pentatonics and rudimentary 3nps scale shapes.
It’s pretty obvious to me from everything we’ve seen here that the beginnings of comfortable fast motion do not require thousands of hours of “working up to speed”. Your very own “Technique Critique” thread is one of many, many examples on the forum of a person simply picking up a guitar and doing a correct, fast motion because we told them to try it.
There’s a long road after that, the “long tail”, where you learn to apply that motion to a wide variety of picking patterns and fretboard shapes. It doesn’t have to be repetitive in the “exercise” way, it can be more fun and musical than that. But there is no question you’ll have to try the same or similar things many thousands of time to make them smooth and accurate.
It’s clear that the big bottleneck for you was not physical strength or stamina, and having to work those up slowly over a long period of time like exercise at the gym, as we have often been told. Instead the bottleneck appears to have been mainly not knowing what you were supposed to be doing in the first place, so that those 3,000 hours could be put to more effective use right away.