> In the case that you get a zero parameter, you could inflate it by some epsilon and the solution would basically be the same. Not everything is continuous. A

> In the case that you get a zero parameter, you could inflate it by some epsilon and the solution would basically be the same. Not everything is continuous. Add an epsilon worth of torsion to GR and you don't get almost-GR, you get a qualitatively different theory in which potentially arbitrarily large violations of the equivalence principle are possible.