Absolutely incredible, but don't watch it if you're expecting belly laughter all the way through. It's funny, but also unflinching in its look at mental health.
So, if you're one of these people who thinks you can't be ill if you're rich, probably best to avoid it. Also, if you're a white person who can't poke fun at white people then don't bother.
I wasn't a fan of Bo Burnham. This is one of my favourite things on Netflix.