I like the part where they destroy the hippies.
(*sarcasm*)
But seriously, I'm agreeing this is a conservative film, more for the way it uses nostalgia to look back fondly on a more conservative time (as Melissa writes) then for any amount of digestion, which is a connection I don't make.
When I saw The Hateful Eight, I hung in there until the scene where we see the former owners of the haberdashery get killed. These were kind, likable people and Tarantino gave them gruesome deaths that bothered me far more than that female assistant in Jurassic World everyone gets upset about. It put the film on a path of nihilism and grand guignol theater, but it got me thinking QT doesn't know a more responsible way of portraying death. This is why I was so apprehensive of what we all initially thought this film was headed towards. He's simply the wrong man for the job. However, we're treated to evil hippies that move like the possessed beings of Evil Dead, attacking our "heroes" who are more than capable of handling themselves. In fact, the tone allows them to unleash their sadistic side, something hinted at in the brief flashback to Cliff Booth on the boat with his wife and the scene at the ranch. You can argue it goes too far here, and I wouldn't argue against that opinion, but compared to Hateful Eight I appreciated having bad people behaving in a more menacing manner.
Now I wonder if the climax would bother me more if I hadn't seen Hateful Eight. I think it would.