That low combat rank, trader/multi-role ship is quite capable of shipping PP prep / fort goods for the enemy!
Although that's clearly true, I'd still say it's probably not good form to go about attacking the novice player in a Sidey. Chances are, they've just started the game, have tried clicking on everything, and have no idea what it means to have pledged to Aisling Duval, they just liked the picture. At the very least, explain the situation first.