Fun with alignment tool

Watch funny vid showing one not getting what he expects. In fact, the objects are not even ‘aligned’ vertically’ There’s some features of R that are anything but intuitive. What’s the problem here?2015-11-26_14-04-39.mp4 (2.4 MB)

“Bottom” &“Top” = parallel to CPlane X, “Left”, Right" = parallel to CPlane Y.

-Pascal

Thanks.