Ordering pizzas cash-on-delivery to someone’s house is already a fairly common form of online harassment (sometimes also a precursor to swatting).
And because they aren't morons, Pizza places will generally deny an order of 20 pizzas, pay on delivery, to an address they don't have an existing relationship with.
Cops haven't seemed to figure out that way of reducing abuse. Maybe if we pay them what we pay pizza delivery workers they will figure out how not to swat people.
Pizza places figured out not to do that because it's more profitable not to do that. Cops don't care because they still get to play with their toys and they generally have qualified immunity for civil violations that occur during the swatting.
You can not deliver a pizza based on a 2% chance of fraud. If there's a chance of bomb, shooting etc the same threshold doesn't apply. So the police have completely different criteria.