The market for that kind of bike has to be hyper small. You first have to be a Guzzi geek, which is already a small audience, and the want a cruiser that's not a Harley.
I'm surprised Guzzi ever sold any of those bikes.
Facebook Marketplace is a wacky place. Heck, if you're looking for something Italian funky: https://www.facebook.com/marketplace/item/420703237079257/