Wow! There are a number of articles linked in that long chain of comments that expand upon the issues talked about:<p><a href="https://underunderstood.com/podcast/episode/yelp-grubhub-dark-pattern/" rel="nofollow">https://underunderstood.com/podcast/episode/yelp-grubhub-dar...</a><p><a href="https://www.vice.com/en_us/article/wjwebw/yelp-is-sneakily-replacing-restaurants-phone-numbers-so-grubhub-can-take-a-cut" rel="nofollow">https://www.vice.com/en_us/article/wjwebw/yelp-is-sneakily-r...</a><p><a href="https://www.inquirer.com/food/grubhub-doordash-caviar-restaurant-delivery-war-philadelphia-20200123.html" rel="nofollow">https://www.inquirer.com/food/grubhub-doordash-caviar-restau...</a><p>These are some <i>slimy</i> business practices. A number of these stories also sound grossly illegal.