I would say the real danger isn’t so much the risk of abduction by strangers (which existed back in the 1970s anyway and is still a rare occurence)

A far greater risk IMO to an unsupervised kid from age 5-10 (particularly when cycling) would be that of being knocked down by a motor vehicle or being bullied/robbed/attacked by older children or teenagers, but children can be taught to avoid these areas where such risks are greater (provided they don’t live on a shitty estate where there are only roads and scum hang around in stairwells)

we need to re-create safe spaces for younger kids where there is less traffic and “trusted” older people such as other parents can also help supervise them..