Heaviness isn't really a good way to judge the quality or validity of metal in general.
AC/DC top moment was Dirty Deeds Done Dirt Cheap imo.
Have you listened to AC/DC? It's way more than one riff. The drum pattern? Yes, it's the same, borderline identical 4/4 beat over and over. But you'd have to be tone deaf to call it just one riff. I'm also sick of the people who claim AC/DC songs stick to the same 3 chords and nothing else. I'm not saying they're masters of a bajillion different chords, but you're full of shit if you think it's just three chords. The title track of For Those About Rock has nine different chords for instance.
Nu Metal is a perfectly valid subgenre of Metal.
I did actually. That was a long fucking time ago! I'm surprised you remember but I guess the name is pretty unusual.Your name seems familiar; did you post on the Gauntlet back in the day?