The same applies to anyone thinking of using it at home. Families already sign petitions to get mobile phone antennae removed from schools, so it may not be long before you and your evil 802.11 will be charged with trying to roast the neighbours. Personally I think wireless networking and mobile phones are safe. But with wireless, you can't escape by walking away. You'd need a coat and hat lined with lead.
Nothing generates paranoia better than something that's unseen.
But treating wireless worries with glib responses soon won't be enough. Even if the concerns are unfounded, manufacturers, suppliers and those charged with installing and maintaining the kit will need to have answers at the ready.