https://bugzilla.redhat.com/show_bug.cgi?id=1427182
--- Comment #2 from Zbigniew Jędrzejewski-Szmek zbyszek@in.waw.pl ---
zbyszek: I need to see if I can fix libzypp's plugins to be installed in libexec rather than lib
I don't think there's any reason to prefer libexec. FHS itself says both are OK (https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s07.html).