I don’t think that delivery service apps make you hooked on your phone. It’s high value information (assuming you care when exactly your stuff arrives) that you get quickly without distractions. IMO it’s less distracting than email apps (again, assuming you care about your emails).
I would never install one of these apps (more for security/privacy than information detox) but if Uber can abuse the notification system for advertising then it wouldn't surprise me if these companies would too.