If you strip away the S.P.E.C.I.A.L. requirements, you can try out Ghoulish without plugging all of your precious S.P.E.C.I.A.L. points into endurance.
Still removing just S.P.E.C.I.A.L. gives you the freedom to apply your S.P.E.C.I.A.L. points where you want them, not where you have to just to get that Robotics Expert perk.