I do not know what this fake website is trying to gain from it but so far, I reported to Shopify’s DMCA request at https://help.shopify.com/en/legal/dmca#/login but they only advised that they cannot provide any legal advice.
I reported all webpages to google as they are stealing our traffic and also reported to FBI.
I found a thread on Shopify discussion and those other Shopify users have inserted a code on theme.liquid to stop the cloning but I wasn’t able to get this done correctly.