BY BILL MURPHY JR., FOUNDER OF UNDERSTANDABLY AND CONTRIBUTING EDITOR, INC Imagine if you hired a lawyer, or a marketer, or an advertising agency to do some work for your business. Next, imagine that they came back with a bill for their services. Finally, imagine that when you looked at their work product, you realized they'd simply asked ChatGPT for an answer, and passed it along to you verbatim. Would you be disappointed? I think you might. But there are exceptions to every rule, and that's where McDonald's comes into this story. Earlier this month, McDonald's apparently unveiled an advertisement in Brazil that consists…