Object Mover Bug - assumes Hot Spot is Top Left

I guess this has been a bug from the start, but couldn't see anything posted before and only recently come across it when I thought it would be useful for an iOS game.

Basically the Object Mover will move objects that lie inside its bounds.
Unfortunately the calculation for when an object is inside the Object Mover assumes that the Hot Spot is in the Top Left corner of the object. It then uses the object's width and height to determine if it lies within the Object Mover and so should be moved.

I've included an example to show the problem - move the Object Mover using the cursor keys to pick up the Yellow Boxes. Some boxes have Hot Spots in the Bottom Right corner and so won't always be picked up when inside, or picked up when still outside the Object Mover.

Unfortunately this bug and the fact that it will pick up EVERYTHING above it (even if on a different layer) makes it less useful.