I'm not sure how you figure that is the case. Pizza delivery has been a thriving business almost everywhere in the US for decades. Domino's is a booming $10 billion pizza chain built on delivery (sales up over 50% in three years, for a 60 year old business).
You'll find that most every college town even has numerous food delivery options (restaurants & shops that deliver) and that that has been the case for decades.
Pizza probably has the benefit of being a food that's not all that easy to prepare at home both because of dough and oven. There are alternative options like the flatbread crusts you can buy but, for the most part, it's a meal that people tend to gravitate to ordering.
Finishing off and cooking is another 15min and you could do multiple pizzas so this scales well.
I make them all the time because I can split the work into 2 short sessions. And if you like simple pizzas, they are super cheap to make and easy to portion control.
I wonder if this will be the future of food, more and more smaller franchises that just do delivery for the larger restaurants.
If they can't deliver to you in 5 minutes, you're SOL.
"I think the Dugarts ordered something wrong. Or a lot of things"
That's the only explanation that Mom could come up with. The drones had been buzzing overhead all day long. Dad was getting really annoyed when they kept coming at night. Like clockwork, every two minutes, for nine hours and counting.
One would come, drop off the medium sized box on the little 'Apiary TM', fly away, and hit the powerlines.
ZAAAAP.
The lights in the house would flicker, but nothing much past that. The drones, about a meter wide, with eight propellers and those little sick legs, started piling up in the Dugart's and Garcia's back yards. There were hundreds piled up now.
The cops came, and the firefighters too. Eventually PG&E guys came out to shut down the power, but they found that the line was the only one that was providing electricity to the Firehouse. So, to power was kept on. For safety reasons.
ZAAAAP.
Another one dropped the package, flew up, and promptly killed itself. Mrs. Dugart wouldn't tell Mom what was in the boxes. Her face got real red when I asked her. Must be something embarrassing.
Mom said that they tried calling it in, but the hotline directed them to an email to send. So, the cops sent an email. The reply email said it may take two weeks for a response. So the cops drove off. Then the firetrucks left.
ZAAAAP.
When Mrs. Dugart was tols to take her "Rookery TM" down, she thought it was a good idea. Then one of the drones tried to deliver the package to our house. Mrs. Dugart got really embarrassed then. So she put the little platform back up, this time with a tilt so that the packages would just slide off once delivered. She ran around trying to pick them all up just as soon as they landed, dodging the falling drones in her backyard.
ZAAAAP.
1. At street level it's easy for people outside the house to grab things from it (without having a theft drone, ha ha).
2. In my neighborhood houses often have porch coverings or are too close together for there to be good drone landing places at windows.
3. There are no people to accidentally run into on roofs (usually).
Of course in an apartment complexes and such not everyone has a roof, and people can't just grab stuff outside of the ground floor so a window ledge would make sense.
Probably not one size fits all, really.
I think e-bikes + delivery can make a dent, but only in the super dense cities where ebikes/escooters are popular/available.