- read a lot of cookbooks and understand them
- go watch a ton of YouTube videos and triangulate the best way to do it
- go get a job in a kitchen (essentially, apprentice)
I learn the way you do and I totally get where you're coming from. But this only works for serious autodidacts. For everyone else, doing any of the above is a pain in the butt. So that's the problem we're trying to solve.
The magic of the tech tree is that it addresses the issue of "you can't type what you don't know into Google."