Quite honestly I've never tried them. Pork rind doesn't sound especially appetizing to me. He, on the other hand, thinks they are a delicious, salty, crispy treat. Umm, no thanks - I'll pass.
However, I have found my newest little food addiction of the week (maybe of the month). Whole grain snacking goodness. He can have his Christ's ears. I'll stick with my crackers.