It's mildy useful when it happens to be broken (and/or something goes wrong), like it was for a few days, because that effectively disabled the Coverbrowser plugin, which might prompt on to look at the logs for more details
.
The wording could probably be improved, but then it's actually doing just what it says on the tin, so, eh? Simplify to something simpler along the lines of database migration/update or something?
(Ditto for the stats one).