This is the sort of problem you solve with more funding not privatization.
Here’s how these privatizations work:
1. Cut funding for public service
2. Service becomes bad
3. Cut more funding because service is bad and unused
4. Service becomes worse
5. Privatize
6. Strip the service for parts, a bunch of people get rich, classic PE stuff but worse
7. Start extracting rents, you have a nice monopoly
8. Public has no or worse service for higher cost