Originally Posted by golfingboy

Delta needs to be careful on whom they move and if I was moved back at least a few rows or moved from a decent seat to a not so good seat then I would step aside out of the boarding queue and politely ask the GA to explain this.

So, be careful with who you move and be sure your intentions are more than clear before you move someone. If you can create a win-win situation for both parties and then it is a great move, if not reconsider.