Yes, it has that and some of it is good for a beginner. But for a beginner, it also can be an overload of information that impedes learning momentum. It might also be due to the interface.

Yes, knowing how to read and use documentation is very important. Yes, it is a well-covered documentation.

My opinion is that the very start of learning, the learner should be guided through a series of specific gradual digestable learning, and there is a feedback loop on the process.

There are better resources out there.