Most problems with low B strings (on any bass, not just a VM Squier) are due to poor configuration/setup.
I haven't seen one of these yet, that didn't need the pickup heights and angle sorted out. The fingerboard radius is close to vintage specs, and it calls for a pretty serious break angle between the two pickup halves.
The improvement after a pro setup is pretty drastic, and the bottom string ends up sounding just as good as an Am Standard Precision V. Not piano-like a la Dingwall, Alembic, etc, but it sits in the mix in a way that's perfectly compatible with the low E of a P-bass.
I also really like what the D'Addario balanced tension sets do for these basses. I put them on my own, and on a couple that I set up for other people. The response has been very positive.