Your assumption seems to be that it is because Cruz is so formidable. Do you have any data, apart from your own biases, that this is the case?
Read my post #1 again. I have no more access to the two party’s internal polling than you do. But their constant attacks on Ted Cruz, versus their relative silence with Sweater Vest, Huckleberry, Smart Glasses, HP Girl and the rest seems to support my thesis, nicht wahr?