OK on looking further - MBPs created by classic don't have this set - which seems wrong - worthy of a ticket? Ones created by blue ocean do have it set (1 day, as it turns out) via the github org folder.
So this explains it, but leaves the issue of the default for creation being wrong. to be clear it is the following right? <https://lh3.googleusercontent.com/-XoF9Uo79hCM/WUooMzA7riI/AAAAAAAAB4s/BndZe5JMFIot_m07AHvOXWyJYcrt09ExwCLcBGAs/s1600/Screen%2BShot%2B2017-06-21%2Bat%2B6.02.34%2Bpm.png> -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/c106e17f-e1a5-4f26-96c2-6aef60e7beb0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
