Per https://en.wikipedia.org/wiki/Wikipedia_talk:Categories_for_discussion#Survey, the ability of non-administrators to move categories should be removed.
Gerrit pull opened: https://gerrit.wikimedia.org/r/#/c/operations/mediawiki-config/+/499042/
Please put this on hold until I sort out some things with the closure.
Change 499042 had a related patch set uploaded (by DannyS712; owner: DannyS712):
[operations/mediawiki-config@master] Remove the ability of non-administrators to move category pages on the English Wikipedia.
Change 499042 merged by jenkins-bot:
[operations/mediawiki-config@master] enwiki: Restrict move-categorypages to +extendedmover/+sysop/+bot
Mentioned in SAL (#wikimedia-operations) [2019-04-02T23:44:17Z] <jforrester@deploy1001> Synchronized wmf-config/InitialiseSettings.php: SWAT enwiki: Restrict move-categorypages to +extendedmover/+sysop/+bot T219261 (duration: 00m 58s)
This is now deployed.