Club Duquette review for Mailchimp Email SMS Marketing

I had been using this app since it was Shop Sync when Shopify and Mailchimp split up. Suddenly this past Sunday 3979 contacts were deleted from my mailing list. I just discovered this tonight and they are telling me to make a new list and resync all the contacts. This does not fix the problem because all these contacts had already updated preferences about which emails to get and discovering this the night before I launch a project 7 years in the making has me fuming. I will be leaving Mailchimp, I had been a customer since 2008. All they are saying is we know this is unsettling. This is a bug on their end but the small businesses are paying the price. Total Garbage. I just want all my contacts back so I can export the list to a new company. The other thing I just realized is syncing the contacts again could cause some folks who have unsubscribed to get emails again, which then flags the account and causes more problems.