Yeah, it doesn't quite announce itself as a comedy, but it is primarily a comedy. I had that experience, too, thought I was watching a show a bit like BLOODLINE, a moody drama tinged with dark humour, but no, it's more a comedy with very bleak subject matter.
If there is a weakness in the later writing (and it's not really a weakness, more a creative choice), it may be that the show manifests its comedic identity openly, and becomes focused on its quotable one-liners.
That "boar on the floor" scene … I'm guessing you "enjoyed" the season one finale, too … that bit really stuck with me. A clever dramatic twist about the inescapability of one's parents, but also a cosmic joke.
By the point we're at now (no spoilers) I see two major motifs, the first is childhood trauma, of which each of the kids has presented a different template, and I'd say most of us have an inkling of relation to at least one of them. The second is the utter dissolution and alienation of late capitalism. If they can bring those two together in the final storylines and end with the darkest joke I've heard all year, it'll be a success.
You could make a case it's one of the most violent shows around.
