Right. If this is aimed squarely at blighted and/or unused lots I fully and completely support it. If this applies to retired people living in family homes it can fuck off.
Similarly, the income tax in the US was started to pay for the Civil War. It wasn't until the early 1900s that income (both corporate and individual) got federally instituted.
In essence, the tax history of the US reads "At first there were only excise/consumption taxes, and then the government granted itself powers it never gave back. And now here we are."
As such, my expectation is that the notoriously-super-high-integrity government of Detroit won't do anything that isn't in the best interest of the people. Surely.