Some counter offers are easy to reject. A while back I applied to another part of the company for a position that was a promotion, and got offered the position

Some counter offers are easy to reject. A while back I applied to another part of the company for a position that was a promotion, and got offered the position. My manager, who was notified (inner company), comes to me and says, "Hey, if I could get you the promotion, would you stay? Even though I don't think you deserve it?" "Mmm... no thanks."