A stampede is singular, so a stampede of meatless products overruns meat cases. Consider: Several eggs feel heavy. A box of eggs feels heavy. Syntax error. E

A stampede is singular, so a stampede of meatless products overruns meat cases. Consider: Several eggs feel heavy. A box of eggs feels heavy. Syntax error. Edit after downvotes: English grammar is absolutely appropriate to talk about in a forum of people who learn and use languages for a living, especially when the offender is a publication of supposedly professional writers that indicates said professionalism unequivocally by use of a paywall.