I really don't subscribe to this default cynicism of "everybody sucks these days; he sucks a bit worse, so what".
I don't think everybody sucks. I just realise that singing, live singing, is a lot harder than people give thought to, and that a lot of the time the people you think have great voices on record struggle when it comes to the live application.
There is not a single moment in the video where he is on pitch.
Granted, I listened to this on my laptop speakers last night, today on headphones... I can kinda see where you're coming from. Still, I don't think that's a fair assessment - the verses definitely sound a bit off, like he's singing a major tonality over the minor progression (which Hetfield does all the time because he's shitty like that). The chorus (I assume that's what it is) is definitely a lot better pitch-wise, where he's following the riff Ozzy-style. The bridge part later in the song is also relatively in tune.
The part at 3:05 is pretty terrible, granted. But I know how easy it can be to lose the tune live, especially if you have a rubbish monitor system - I'm willing to give him the benefit of the doubt here.
Also, out of interest, what bands do you listen to that are live in the same ballpark as this?
Not any bands that I listen to actively, but they definitely remind me of your average bar band, or school battle of the bands type-band. It's clear through the recording that the riff-writing is there in some respectable form, but it definitely needs some work.