According to 'The Buff' — and this Metro Times reporter who went to the scene to confirm — a couple of buildings at Chene and Palmer got, what appears to be, the real 'Tinsel Town Treatment.'
A fake, era-appropriate sign has been pasted to a building, with the words "Bowling Alley" and a chevron pattern spray painted above.
Across the street a fake, America-centric advertisement of an automotive shop.
In June a line producer for the "Untitled Detroit Project" told the Detroit Free Press that the plan was to film majority of the project in Boston due to tax credits (last July Governor Rick Snyder signed legislation ending the state's film incentives program), however, they planned to also film a bit in Detroit and Hamtramck (re-fashioned to look like Detroit) to get some setting scenes.
"We are going to be shooting in Detroit and we're going to try to shoot as much as we possibly can there," Colin Wilson, the line producer told Freep, noting that at the time (mid-June) they were still in pre-production.

Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University
Algiers Motel, Woodward Ave, 1967

June 11, 1969 Chicago Tribune article reporting on the acquittal of Detroit police officer Ronald August, who killed 19-year old Aubrey Pollard at the Algiers Motel in '67.
We've reach out to the film's production company Annapurna Pictures to confirm the veracity of these possible sets.
While Adorno, Debord et al might have something complicated to say about the spectacle of Abandonment, please enjoy the above pictures of these handsome albeit abandoned buildings (possibly) performing the role of some other handsome albeit abandoned buildings.