“Profiling” is a mandatory process. Without creating the Profiles in the application, the product cannot be sent to Etsy.
Since, Shopify and Etsy are two different platforms, there are some specific fields which are required when listing a product on Etsy. The Profiling needs to be done once per category and the rules will be applied for multiple products, so you don’t need to fill the required fields for each and every product specifically to publish on Etsy.