The difference with the home page is that it isn’t subject to safe harbor like third party content assuming the home page doesn’t contain user content (I haven’

The difference with the home page is that it isn’t subject to safe harbor like third party content assuming the home page doesn’t contain user content (I haven’t actually looked). Shopify is already civilly liable for copyright issues on their home page. Since they have no safe harbor, there is no reason to follow the safe harbor rules.