Please elaborate. What funding? Every cop can buy a smartphone.

Every school teacher can buy a baseball bat, but we don’t act like it’s a given that teachers will beat students with baseball bats.

I don't see how that explains a way to prevent anyone from using facial recognition technology.

Reduce your contributions to government. This thread is about government.

Anyone can personally purchase whatever they desire.

That is exactly what I wrote. Any government official/employee will be able to use this technology. If you are proposing some kind of libertarian non-government, that would be consistent with my original statement that the only way to limit this is to limit government.