I could be wrong but I would think that it’s Assur to deliberately act w/o Derech Eretz.
That’s a far cry from the “numerous issurim” you claimed. Do you know of numerous issurim, or were you just exaggerating for sake of… whatever?
There is a reason Chazal made these Takanos, it is not becoming of a person to have his hands full of oil and dirt like some sort of animal.
So now you’re backtracking from foods of a certain size to oily foods. Again, I ask you, should one eat matzah or a bagel with a fork and knife? What about a Snickers bar (or any other large candy bar?) What about ice cream from a cone?
The Wolf