Well, then, this is a good time to tell them that you WILL complain to all of the several quilt guilds that you belong to! Let me guess, you are into heirloom sewing, too, right, 2 guilds there! Let them KNOW you will not stand for shoddy treatment! and you are willing to take them down with you.
On the board we kick butt, AND take names! If that machine is not right, go get 'em!