Please note: uninstalling apps and using default themes has no impact
Suddenly the shipping rates request via the Shopify API is not returning expected results in the Cart page. (But it does load all the rates in the Checkout page which is obviously not using the API, but Shopify checkout logic.)
For the postal code provided (M4K 2H8), it should provide Standard Delivery ($15.00) and Local Delivery ($7.00). The local delivery logic is based on passing M* as a wildcard (and other postal codes) to allow local delivery as per the screenshots.