This is a fully realized version of pastiche. When you go into a chain restaurant, and Applebee's or a Red Robin, there's a bunch of junk glued on the walls. Photos of local sports teams, license plates, half a car (!) - in the dining room of the casual dining Tex-Mex restaurant where I worked, Chevy's.
The maximalist eclectic aesthetic takes this one step further with found objects, local art, and a deliberate combination of styles and high-low elements.
The aesthetic is best represented in commercial design by the McMenamins hospitality chain.