It's surprisingly good. Two of the leads are really good. The other one gets better as the show goes on. The prop and stage design is as close to 1:1 that you can get, which is impressive.
It kinda fizzles out at the end, but the journey is a lot of fun. Definitely recommend it.
I was making fun of the show when I read an interview that said they created an origin for Vault Boy. But I think they actually nailed it. It makes you look at the thumbs up image in a darker way, which is perfect for Fallout. And it didn't seem shoehorned in.
FWIW it's a myth. A mushroom cloud is disproportionately big for the actual blast radius, so the cloud could be bigger than your thumb and you might still be a safe distance away from the blast (though not necessarily from fallout)
Also, the largest deadly blast radius for a nuclear blast is the thermal energy, which cooks anything within a large area at basically the speed of light. So if you're within the "danger" radius that the thumb trick would supposedly tell you about, you'd already be vaporized before you could lift your arm.
I haven't watched it, but my understanding is they fucked up the NCR. Someone on rock-paper-shotgun described it as "Bethesda wants fallout to be kitschy mad max and nothing more", and that felt pretty apt. But again I haven't watched it so I'm just second hand griping.
Ehhh kind of? After watching it, it feels a lot more like they want to show the rebuilding of the NCR, so I wouldn't exactly say they did things to the NCR just because they wanted a more Mad Max Apocalypse style.
That's pretty much it. Bethesda hand-of-gods Fallout to never develop too far, for an eternal shantytown aesthetic with super mutant orcs and Brotherhood everywhere.