/pages
With an Atomic site, if the related Jetpack setting is off, Calypso should not show the "Copy Page" link here.
Related: https://github.com/Automattic/atomic/issues/788
Even with the Jetpack "Copy Post" setting turned off, the Calypso "Copy Page" link appears.

Note: the "Copy Post" in Calypso doesn't show, as expected.
PR for this issue in #41337. :)
Thanks for your fix! Works as expected. Deployed to production.