Normally, manipulation has some sort of external goal. Alice does not manipulate Bob merely for the joy of manipulating Bob; rather, Alice manipulates Bob because she wants Bob to help her accomplish some sort of goal.
This is incompatible with entering an interaction wishing solely for company. If Alice acts like IP, therefore, this implies that she is either inconsistant, or that she has some other wish (for example, she may wish for the appearance of company).
Normally, manipulation has some sort of external goal. Alice does not manipulate Bob merely for the joy of manipulating Bob; rather, Alice manipulates Bob because she wants Bob to help her accomplish some sort of goal.
This is incompatible with entering an interaction wishing solely for company. If Alice acts like IP, therefore, this implies that she is either inconsistant, or that she has some other wish (for example, she may wish for the appearance of company).