I agree that it is, indeed, a good song ...
I don't know about 'the best' heavy metal song though ....

You can listen to his pick
here ...
It's got good riffs and lyrics (and RJD); I'll give it that ...

For the best, funny I can't remember ever hearing it.

He's wrong. This is the greatest heavy metal song of all time.


https://www.youtube.com/watch?v=WxnN05vOuSM

I'm more inclined to lead toward that as well ...

I'm on the fence over the offerings provided here. Guess I'm just not sophisticated in Heavy Metal. Actually I wouldn't have picked either of them.
Though I do like the Iron Maiden one slightly better, it's still very subjective.

"Heavy Metal" is still a very subjective term ...
Metallica/Slayer win most to me ...
But not everyone calls them heavy metal ...