Do restaurants lose loyal customers when their food becomes average?

I just googled a coffee shop I used to love to see if they had any special items I could buy today and eat on Canada tomorrow, and I realized they had reduced all the best items on their inventory since those cost more to make, and I thought if I am going to eat plain food, I can do that at home, the purpose of visiting a restaurant is to get something better then what you can get when you make the food yourself. I plan on not shopping there again, the pandemic and the trump battles, have killed their profit margins and their business is no longer flavourful.

Do restaurants lose loyal customers when their food becomes average?
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