I’m pretty sure the socially unacceptable behavior from homeless drug addicts is driven by factors that drive homelessness and drug addiction and not by the preference of most people to avoid homeless drug addicts in public spaces. Unless you’re implying law enforcement or society at large “clean up” public transportation…
What is your goal? Custom stuff isn’t too hard if you just want to implement basic password login and token-based auth. Otherwise you could use something like Firebase, Okta, or Cognito.
Why would there be? Electric cars are luxury items bought by people who own homes.
That is not accurate. There are plenty of apartment buildings far away from commercial areas. They can be surrounded by rural areas or suburban areas (SFH zoning).
The website is state of the art for 2015 ± 15 years.