Actually, I don't think this is really about preventing pool hopping. If you want to prevent that, go solo or score, but beware that variance will hit you even harder.

The point of a pool is to reduce variance, so the main aim is to reduce variance as much as possible while preventing scam as much as possible. This is a tradeoff.

The point of SMPPS is that it doesn't only stop pool hopping, it also reduces variance to even lower levels than proportional. So it should be seen as a way of variance reduction, not just an anti-hopping strategy. Not needing to sacrifice stats transparency makes it even better.

My personal favorite is SMPPS in "try to achieve equal payment ratio per share" mode, as described above.