The point is that "we" don't want a single global time, for those reasons you mention among many others. GPs point (as I understood it) is that those (relativel

The point is that "we" don't want a single global time, for those reasons you mention among many others. GPs point (as I understood it) is that those (relatively few) who need global coordination can just use UTC (and most already do, eg. aviation runs largely on UTC).