Thesis is outdated vaporware
If Genesis was an independent platform like Wordpress I would expect a great deal of documentation. But it isn't. It is a framework on top of Wordpress. To know Genesis one must take time to know Wordpress. That being said, there is a ridiculous amount of documentation within the thousands of threads already questioned and answered in this forum.
I started out with no experience in web development this past December. Through the forum support / tutorials of StudioPress and the novice-to-expert documentation on Wordpress.org I've come a long long way. Everything I've needed to know, from ground zero to the present, has either been documented in old threads, answered in my new threads, or found at Wordpress.org
With so many other platforms offering click and drag type builds ...