No reason to keep polkitd:polkitd 0700 on /etc/polkit-1/ subdirs.
Since !153 (merged) has been merged, it leaves no reason why /etc/polkit-1 subdirs shall be directly writable by polkitd user. Changing permissions to root:polkitd 0740 seems to provide better security.
For more information, see #191 (closed)