Agreed, being able to trust it is probably what I want in order to use it at my job to get shit done - being able to understand it/implement it is what I want t

Agreed, being able to trust it is probably what I want in order to use it at my job to get shit done - being able to understand it/implement it is what I want to do on my own time. Unless you're one of the rare group who gets paid to implement it in x language/library/technology, it's more of a mental exercise than anything, something nice to go "ahhh cool!" when you understand it, then move on.