I'm both in agreement and disagreement with Dune. Whereas, I love the setup and absolute flexibility and customization that TG offers. It's like a puzzle box, or a Kinder Egg, you throw away the instructions anyway and build the little toy car yourself, at least I do.
Sharing my findings is where I kind of disagree. I usually can't wait to come in here and go:-
'Check this, guys! Did you know if you put a cloud layer and a water shader inside the grass object it'll make procedural dew-drops in every instance of the grass, like this?(it doesn't!
) Here have it!'. It's the way I found TG(old) and its community when I was a beginner. So many terrain files and surface maps, tutorials and guides, etc. Just lying around, everywhere!
I know I took, and learned from, my fair share of these resources. And to a large degree, I still do. Everyone has their own slant on what does what and sometimes you just don't see the wood for the trees.
I just like to put some back now that I can, I do more excercises in experimentation and guides and stuff in TG than I do actual scenes for myself nowadays. I usually end up making things that others would find useful and, hopefully, learn from and produce something better than I ever could with it. My renders are usually pretty mediocre compared to some of the real artists in here, my efforts are better put into practice this way.

Things like this free default scene from NWDA, cloud files, terrains, objects, forum posts and discussions etc. are the gems that create the basis for new users and also some old ones, to really try and get a new light on what at first seems like a very intimidating application, or even just a dead end.
The more options and variety of resources - the better. Like Frank said, if you don't like it, chuck it in the virtual bin!