I just got back from a rather large data center.
Every machine there took clock from a clock master ... and was in turn a slave. Something tells me that this will still be true when my Granddaughter is long retired. There are some battles that are just too stupid and time wasting to even contemplate starting. One wonders at the holier than thou set who started whining about this particular one. Don't they have anything better to do? Like, oh, I dunno, CODE, maybe?