If your business model is dependent on paying the minimum wage then don't be surprised when you are forced to choose your staff from those who can't get jobs for anything higher. And don't be surprised if the response from your customers is like that of the gentleman who started this thread.
“If your business model is dependent on....”
Potential employees have a limited set of choices.
And living/breathing potential employers have a limited set of choices too.
People in charge need the ability to place themselves “into the shoes” of others.