Should "unzip" be "dezip" then? Should "unbuckle" be "debuckle"? Unlock, untie, unplug, unfold, I could go on. Sorry, but your pedantry is simply incorrect.

Should "unzip" be "dezip" then? Should "unbuckle" be "debuckle"? Unlock, untie, unplug, unfold, I could go on. Sorry, but your pedantry is simply incorrect. "un-" as a prefix to mean reverting the action is perfectly valid and very common.