Also, we all agree that radon should be built out in the first place. That is the most important thing to do. Test and remediate should also be directed to priority areas. If you're living in interior B.C., your risk of having a higher level of radon in your house, never mind whether you test or not, is definitely higher. The chance if you live in Victoria or Vancouver is low. You might possibly have a slightly higher level, but the risk of that, based on tons of evidence, tons of tests that have been done so far, is very low.
Really, if we want to get a message across to Canadians about testing and remediation, it should really be directed to those areas where it's highest. But we'd all be protected if we built it out in the first place.