Lack of magnetic force shielding by polarised virtual shells around electron core
Normally a conducting shell will shield a magnetic force. However, in the case of the polarised virtual particle shells surrounding the electron bare core, this may not happen because of aligning of the spin axis. We have to remember that pairs of virtual particles are involved. How do they align? If the core magnetism is being attenuated by the 137 factor due to the polarised veil of virtual particles (which I do not think likely), then this would imply an opposite interpretation of the 1/(2.Pi.137) Schwinger correction to Dirac's 1 Bohr magneton for the magnetic moment of the electron, with the 1 being due to the magnetism of the paired virtual particle in the veil and the small and the small 0.00116 addition being the core factor. However, then we have the problem of how to interpret the additional Feynman couplings for other possibilities, which becomes more difficult.
So I think we need to check out a model as suggested below, in which the magnetism of the core of the electron shines through the veil without attenuation. This if correct implies that the veil of polarised virtual particles are aligned radially with their spin axes such that they don't screen the magnetic field, and only attenuate the electric field by the 137 factor.