They are frequently substituted, cut out in little circles, and sold as "scallops". It is legal to do so (in the US.)
The poster is complaining about mislabeling.
How is that possible? Isn't that plain lying? Can't you sue such company? As an European, I can't comprehend that. If something is labelled "scallops" it must be real scallops or else you would get sanctioned immediately after somebody finds out it's not and fills a complain. If substitutes are used, it must be labeled as "scallops flavored" or smth.
They are frequently substituted, cut out in little circles, and sold as "scallops". It is legal to do so (in the US.) The poster is complaining about mislabeling.