Reviewer here. Yeah I admit that many of the things that people had said were great about Divinity: Original Sin just plain irritated me so I wholly admit that I'm probably not in its target audience. I stand by the rating however as that's how I felt about the game after my time with it and thus if you want to compare it to some of my other reviews then that should give you an indication of how it stacks up.
I don't consider myself the ultimate source of what'...
Yeah I most definitely found that. You'll have to go exploring to find the tutorial for each mechanic which can be a bit frustrating when you're right near the end of a particular section.