MudderChuck is right: Hogs do some serious damage to crops and the environment. The potential for far greater damage exists: Imagine an outbreak of hoof and mouth disease spread by wild hogs.
Hogs may be responsible for the spread of E Coli to a spinach field in a case where three folks died. E. Coli spread by wild hogs has gotten into pristine streams.
https://wwwnc.cdc.gov/eid/article/13/12/07-0763_article
i don't hear a lot of complaints abut hog damage from my numerous OK farmer/ranchers friends. They are more concerned about drought, green bugs in the wheat and boll weevils.
There is one big problem in attempting to control the wild hog population; the states don't talk to each other. There seems to be little or no state to state coordination.