Who started “Costco’s $1.50 hot dog pledge”?

Gary Millerchip, on Open web, May 30, 2024. It reached 6 platforms in 23 months.

LineageKey steps, 9 of 10. Lines follow time and platform
Gary MillerchipFirst postNathaniel MeyersohnXCNNPressPeak proxyPlatform jumpPressOwner responseCommercialAfterlifePatient zero