Peccary meat is pretty nasty.
They really are not closely related to pigs, or even the wild hogs that infest my great state.
Not sure if they can interbreed. I sure hope not, as wild hogs can taste pretty nasty, too.
I hope we will never be that hungry. Kudzu is nutritious and reasonably tasty, but survival requires more calories.
According to Wikipedia, peccaries break of from pigs at the Family level of classification. Warthogs are more closely related to pigs (Suidae family) than either is to peccaries (Tayassuidae family).