High rises usually have spectacular shared amenities: grand pools, exercise rooms, party rooms, theaters, etc. One of mine had outdoor grilling areas that you didn't even have to clean up: the apartment had cleaning staff who would scour the grills every day.
High rises usually have 24/7 door staff to sign for & lock up packages, get taxis, handle dry cleaning, store grocery deliveries in a fridge, and let you into your unit if you get locked out. The sheer number of units makes this cost-effective for them because the costs are shared across all tenants.
High rises usually have maintenance staff during business hours and on call after hours to fix issues. Sometimes you can also hire them for handyman duties, too - I've had them install TVs, hang green screens, or paint a wall.
High rises are often the only cost-effective way to live in the core of a really vibrant city like Chicago: we couldn't have afforded a town home, let alone a single family home.