I think it just reinforces the point. It isn't even a significant proportion of a person's cancer risk.

It's like worrying about the KGB covertly planting listening devices in your house while tech companies are openly planting listening devices in your house. It's not at all unreasonable to be concerned about invasion of privacy, but the people who think they're at significant risk of being individually targeted by the security service of the former Soviet Union because of what they saw on TV have got a screw loose.