Look at the organization of the python documentation. Consider how useful that is for learning how to program in python.
Then go out and get an actual book, targeted at your experience level for programming. Do you need a bunch of tutorials? Or just a language reference?
Without a reasonable investment of volunteer curators for the material, the SODocs will never be as good as the focused material.
There was too much focus on making it so everyone could contribute with not enough focus on the workload of the people who knew the material, tried to invest time into curating it and ultimately gave up under a deluge of people just there for the rep.
To be clear, I don't mean to claim that the Stack Overflow docs are currently a good answer. I just mean that Stack Overflow Q&A is designed to answer narrow, specific questions, not broad ones like "how can I write a program in Python?"
I personally think it's a bad idea. It's what users think they want rather what they'll use.
The classic RTFM is a classic because humans don't want to and won't. They just want a direct colloquial answer, cause human. AKA classic SO