unemployment has gone down. And if the raise in minimum wage is the reason you have to close your business

... Or the complete opposite. Now that there's increased costs to paying workers, you raise prices to cover that. And because you've raised prices people who were okay living before "jobless" could no longer live comfortably and now have to return to the workplace to make money to make up the difference in costs.

if the raise in minimum wage is the reason you have to close your business you weren't having a benefit on your customers but on your workers

I'd say if the customers were buying what you were selling, then it was of benefit to them too