in LA all my friend's little kids take uber and Lyft rides to catch Pokemon. don't know what hellhole you live that's worse than LA
California requires car seats until age 8.
https://www.cdph.ca.gov/Programs/CCDPHP/DCDIC/SACB/CDPH%20Do...
Your friends little kids aren't taking Uber. Your friends big kids are taking Uber. They're already 50% of the way to driving a car themselves by the time they can take Uber.