> Here's where I have disagreement: an old boss of mine once said "don't worry about the tricks of the trade; learn the trade." That's very contextual, but sometimes understanding the core first makes the rest of it easy.

Seems like you might agree more than you realize! From TFA:

> And much like when debugging a computer program, when you have a bug, you want to understand why the bug is happening if you're gonna fix it.

It sounds a lot like "don't worry about how to fix the bug; learn what the bug is."