First, you can go on a field trip. I believe that there will always be differences in the quality of service provided by personnel, the provision of ingredients, the diversity of tastes and the comparison of quantity.
Second: consumer surveys. After all, your snacks, restaurants, hot pots and maocai shops are all geared to the public, so their consumption preferences are particularly important.
Either way, as long as it can bring you business opportunities and income, you can choose.