Gluten is everywhere, Biscuits and gravy among other things have gluten. However, this does not mean gluten is the healthiest option.
Unknown to most people even stir fry has gluten. Soy sauce has gluten as an ingredient in its recipe to make it thicker. like in this case gluten most of the time is an unnecessary ingredient and can be substituted for heathier less processed options.
Gluten-free diets substitute healthier alternatives for gluten. That being said, pancakes, have gluten in them as well. However because substitutions can be made they have several gluten-free pancakes mixes available. For example they would use almond or coconut flour instead.