Do you believe in the “Picklewich”? Jimmy John’s released an ad on X Thursday featuring an unusual sandwich, and some social media users were quick to criticize the company. The humorous ad was reminiscent of the 1999 “found footage” horror movie “The Blair Witch Project.” Nicole “Snooki” Polizzi, most famous for her role in the television show “Jersey Shore,” starred in the ad. But the real star was the “Picklewich,” a sandwich featuring pickles for buns, rather than bread. Therein lies one point of contention. And no, not the use of pickles for buns. Social media users were quick to criticiz…