Grandpa, what do I want this enterprise to be like?

The founders of McDonald's are younger than KFC, but their development achievements are the same. So KFC is no worse than McDonald's, which means that Uncle McDonald is no worse than Grandpa KFC, which means that Uncle and Grandpa are the same. There is a little joke. When eating McDonald's, I heard a conversation between two girls opposite. One asked, "Why do you think McDonald's is harder than KFC? It tastes slippery and delicious?" Another girl said, "Because McDonald's is an uncle and KFC is an uncle.