barely any one know them, judging from the result the poll actually should taken as "who the most famous people in japan"
Not really, it's more something like that "who, among the famous people, is the most influential?" I think people clearly understand what the question was about. It's just that sometime, you don't know who really is the one who came up with the idea that influence you.
I may like Toriyama as much as the next guy but I can't deny he is lazy. He originally wanted to end the series at volume 2, then 10. He constantly complained about deadlines and has done nothing even related to the series since (minus the Kazenbans).
Have you heard of Togashi?