"It seems to be an article of faith among some urban planners that transit can’t be private. If it’s to serve poor demographics and remote areas, the thinking goes, it needs heavy public planning and subsidization. But that view turns out to be parochial. Cities worldwide—including in the US—have proven that with the right conditions, private transit can flourish. It often does so in spite of attempts by the government itself to shut these services down."

https://marketurbanismreport.com/blog/peseros-the-vast-private-bus-network-of-mexico-city?fbclid=IwAR18JtxXFVv_GkfmUxwfJRjET2vn0MsGd-kUZBH3baxEEqXNOMT_sEb4NtM