When I transfer stuff, I frequently forget to realize where the Default is when I am transferring stuff. So I frequently transfer the wrong stuff (like STAFF instead of RIFLE). After a few turns, you are clicking your butt off, so I am pretty sure I am not the only one doing this.
I also accidentally transfer other things, but man, when you accidentally transfer STAFF from HQ to a regular unit, you get hammered with penalties! So is there any way to have an UNDO TRANSFER button.
Or maybe not allow the transfer of STAFF to non-HQ units? Or maybe when you transfer STAFF from HQ to a regular unit, a Window pops up and says "You sure you want to do this, this is pretty dumb of you to do this, so are you sure you want to transfer STAFF from HQ to a regular unit, you dumb a##." Or maybe a shorter message, I leave that up to Vic.
I often have a similar problem, but with Trucks and Halftracks. I would definitely love an "undo transfer" action as well.