It's also not the smartest project, a quick look at their website shows you genius ideas like this 170km long line they want to build in the middle of nowhere: https://www.neom.com/en-us/regions/theline
Not to mention that Saudi Arabia doesn't even have any issues with population density. They are building these cities like they have some overpopulation issues, such a waste of money. A shame it's not being spent on things that would help Saudi Arabia in the long term.