We have, at this point, strong evidence [1,2] against the straight-forward version of pilot wave theory. Thus pilot wave theory is forced to add more and more epicycles. This, IMO, is part of the reason why it's not becoming more mainstream today.
[1] http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115...
[2] http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115...