It doesn't debunk anything, Random. You're refusing to acknowledge the fact that
none of these people would care at all if he wasn't on the big screen in the first place. He only has that much influence (GOOD OR BAD) because HE IS FAMOUS. Them getting boos or whatever does not matter...
Kazuma on the other hand, through sheer charisma, can accomplish the same thing without these people even knowing who he is.
And just to completely destroy this argument even further, Kazuma can manipulate people who are far harder to manipulate than humans.
Here are some examples.