Exactly until the time comes when Publix and others will see money in delivering themselves and out of their free will will ban delivery services from their sto

Exactly until the time comes when Publix and others will see money in delivering themselves and out of their free will will ban delivery services from their stores. This service is not so popular yet (Im having hard time counting one friend who uses delivery services) but make it popular enough and Instacart and others will be out of the door. This will be similar to LA-Fitness and other chains of gyms like Gold's Gym forbidding outside trainers for training gym members. You can only hire a gym instructor that is employeed by gym you attending. Of course Instacart can ignore such ban and shop "incognito" but I doubt it would be great sales pitch to shareholders/investors.