Board Thread:Moderators/@comment-112155-20160407134333/@comment-10473115-20160410093619

Copeinator123 wrote: Another thing I just realised is that this might also prevent them from showing up in the unused images... That's easily proved as a wrong assumption by looking first image on Special:UnusedFiles because it has a redirect.

Your other reasonings are not against leaving redirects, just for changing the links. And for that I still feel it's a lot of effort for a minuscule gain.