I'm afraid it doesn't only look wrong, it behaves the wrong way as well :matte-motes-stress:
here is a test with an animation. on the left the hand is attached, and on the right it is removed.
the broken bones seem to completely mess up animations.
I'm assuming it has something to do with the bone orientations on the bento skeleton within maya. each individual link seems to point straight in the Y direction, instead of having its own local axis and that is kind of the same effect I'm getting inworld.
I tried manually re-orienting the joints, but that lead to an even worse issue: