It has not scaled, it has put more cars on the road causing more traffic and more accidents. [1] It has also over time made this type of travel more expensive once their VC backed subsidies stopped. They essentially destroyed an entire industry to make it less safe, more expensive, and more difficult to attain in some areas.
I also think it’s a pretty naive take to think they’re not trying to replace public transportation. The federal government is also cutting funding at the same time. [2]
[1] https://news.uchicago.edu/story/ride-hailing-services-may-be...
[2] https://www.bloomberg.com/news/features/2025-04-29/us-mass-t...