In places where it is socially acceptable to eat those foods with one’s hands (which is just about everywhere), it would be unrefined to NOT eat them with one’s hands.
Do *you* think it’s more refined to eat a hamburger with a fork and knife? Can you name a single gadol anywhere who eats the Korech sandwich at the seder with a fork and knife? Can you name any who eat cookies with silverware?
Interestingly enough, the ridiculousness of what you posit was the subject of a Seinfeld episode, where the characters start eating Snickers bars with a fork and knife.
The Wolf