Wasn’t the hyperloop just a vacuum tube for cars? As in, it would have the same density issues that cars do, it’s just faster.
The better option is ultra high speed trains, like the bullet train in Japan.
You don’t need a car everywhere. Most non US developed countries have a robust public transport network. A car is actually less practical than public transport for like 90% of use cases if you live in Metropolitan areas. Same for tourism. Don’t need a car to go visit Paris. Jump on a local tgv and be in center Paris just a few hours later from most of western Europe. Why would you bring a car…