Every now and again someone gets injured or killed then everyone else does things properly for a wee while that's just what we do, I got a belt from a water pipe many many yrs ago when I cut through a sink supply, since then I'm about the only guy I know who uses the continuity bond when cutting a water pipe as well as a gas one, you will be lucky loads of times, but you only need to be unlucky once, it's everyone's choice