Do we even know if it's mathematically possible to possess the SP to deal with that particular kind of spam?
I'm not even asking that facetiously. Given the prevalence and the extremely scattershot nature of that particular type of exploitation, what would the literal cost to stay ahead of its general production rate be?
If it's not possible, we ought to be able to at least come close to proving that to be the case. If it is possible, likewise.
Trying to deal with it absent that kind of information is sort of like jogging into the woods at night without a flashlight. We know there's snakes but we have deliberately chosen not to see them.