This is at a Buc-ees. This golden beaver is their mascot. Southerners love them some Buc-ees. The reason is that they are awesome for reasons too numerous to mention.
People in the South talk about Buc-ees like New Yorkers talk about fashion pop-ups.
OP is referring to this as the “Golden Calf” of the South. And since as the South is foreign to the leftiest of the leftys, you have the joke.