For
It helps police solve and prevent crimes.
Against
It invades people’s privacy and can be misused.
Anonymous excerpts, translated where noted.
“Put them on every high street and outside every stadium. Crime and disorder will fall and the public will feel and be safer.”
“it has the potential to make catching outstanding suspects and wanted persons that bit easier.”
“Being masked against facial recognition in a public place should be an inalienable right.”
“For example, what happens when these cameras make a mistake, and an innocent person is fucked because of it.”