Their stock is booming. Try again
That doesn't equal long-term growth and prosperity. Stocks are cyclical in nature.
What is McDonald's doing to address structural issues? There are stories that Millennials aren't applying for fast-food jobs which is going to create employment shortages. And McDonald's is going to get buried by fast-casual places or people making meals at home.
If McDonald's go back to the basics, cut their prices, and stop appeasing the food police, they'll be #1 again.