We can reduce sexual diseases even further by regulating who you can have sex with. If you've ever had or transmitted an STI, you're on a permanent banlist. You can obtain a license by proving you have no history of reckless behavior and have a clean record of health.
We can also reduce homelessness even further by finding every homeless person and forcing them into a government house. Homelessness is a travesty that must be reduced as much as possible, isn't it?
Hey, there aren't any ideal scenarios but we can reduce it further, can't we?