I struggled through season 1, admiring it and thinking how much I didn't want to spend much more time on it. It is superbly done but I think you've hit it on the head about it being about everyday run-of-the-mill shitty behavior.

Entertainment that is challenging with morally gray characters is something I enjoy but there's morally gray and challenging, and then there's "stuff that depresses the hell out of me." D: