This is generally because they have drop shipping without actually knowing what it's all about.
This could confuse buyers, especially those trying to be able to additional customs costs. Like any other business, 80% of one's sales happens from 20% of consumers. https://medicalamp.com/default.aspx?cul=en-US&key=PjsMUWAGDEPiGXIfH1RBOQe-qe-q&out=forgotpassword&returnurl=http%3A%2F%2FBrandafy.com%2Fblog%2F5-best-shopify-developers%2F&sys=user