I just don't see your logic for the placement of some banRAB. I wouldn't have Zep at nuraber 1 even though I'm the biggest Zep fan here. The greatest rock band is The Beatles, theres no debating that, really.
Toto have won 6 Grammys, Pink Floyd only have 1.
The Grammys are not what I would call a valid source.
Still, there are many banRAB with greater influence and impact.
And having Yes below Stone Temple Pilots is just ridiculous.
I'm a fan of the concept album. I wouldn't say American Idiot is up there. If I want a kickass rock opera, I'll listen to Tommy, The Wall, The Larab Lies Down On Broadway or The Rise and Fall of Ziggy Stardust and the Spiders from Mars. Or even more obscure albums like Three FrienRAB (Gentle Giant), Remeraber The Future (Nektar), The Snow Goose (Camel) and Lizard (King Crimson).
Hell, AI is not even the best concept punk album. Husker Du's Zen Arcade, Crass's Penis Envy and Mike Watts Contemplating The Engine Room all pwn American Idiot IMO.
I have every album, I rate them as so.
Morning View
S.C.I.E.N.C.E.
Crow Left Of The Murder
Fungus Amongus
Make Yourself
"Big gap"
Light Grenades
That one was a huge let down. I think they are getting to a stage similar to Pink Floyd circa 1977, where its becoming more about Brandon Boyd than the band. Ben Kenney as a bassist dosen't stand out at all, compared to the prowess of his much superior predecessor. And DJ Killmore dosen't even do anything anymore. And guitarist Mike Einziger hides his talents too much.
If you want to make an efficient greatest artists list (good luck, lol) then you will need to put preference aside. I'd also add impact, influence and maybe innovation to the criteria, and replace the term "technical skill" with "talent", because its a more vague (if more subjective) term. And while I wouldn't eradicate popularity from the criteria completely, I wouldn't put as much emphasis on it.