I, too, just finished Bojack Horseman on Netflix. Boy, this show really defied my expectations. I went in expecting your average raunchy Family Guy-style sitcom, but this show can be very cynical and even depressing at times. Bojack himself is a profoundly flawed character who says and does some truly terrible things to the people in his life, and yet it's hard not to pity him. I can't remember the last time I've seen a sitcom character who was so consumed by loneliness and self-loathing. At times I actually found it a little hard to watch, but I also couldn't stop until I finished the season. If nothing else, this show is a downright brutal deconstruction of the so-called glamour of show business and the celebrities it chews up and spits out.
Is it funny? Well, I wouldn't say it's Archer funny or Rick and Morty funny, but it's definitely funnier than a lot of those other "edgy" toons you usually see on the likes of Fox or Comedy Central. If you already have Netflix then it's not like you have anything to lose by giving it a try.
On a minor note, I really like the opening for some reason. I just feel like it conveys the tone of the show really well. It looks like the sort of opening you'd expect to see on an AMC or HBO drama...only it's on a Netflix show about an animated anthropomorphic horse. Still, not too shabby.