I doubt there are many people who think there's no risk for children, just that it's relatively very low. People on both sides of the argument who insist in dealing in absolutes are bloody annoying.
Perhaps mate, i think we largely though, countries have been very gung ho about planning to open up schools with data and risk still emerging, equally things like group sports going forward, that the vast majority will be minors. We tend to talk of children hugging their grandparents with protecting the grandparents in mind. While there may not be an absolute dismissal there is an argument there that the risks may be minimised. An argument rather then an absolute as you say.
