The clever point about re-envisioning these fence-sitters with the second model is that they may not be sitting on any fence you recognize, but the fact remains they are on an unstable equilibrium in the cognitive/social space.
It might be a stable equilibrium before the introduction of your opinion.
Now if you have opinions that are specially geared to be earth-shattering revelations to your target audience, that is an entirely different matter, with its own set of problems.
It might be a stable equilibrium before the introduction of your opinion.
Not if you consider opinions to be perturbations.
Now if you have opinions that are specially geared to be earth-shattering revelations to your target audience, that is an entirely different matter, with its own set of problems.