Minsta is one of those people who can justify almost anything, and he has a pretty dim view of commoners and the public to begin with.
That being said, its extremely unlikely that Minsta would react well to the concept. Not because it’s horrible, but because his own Family and himself would lose power and prestige. He’d be far more likely to recommend keeping it quiet and just eliminating the Manswells.
Purge the alien. Kill the heretic. Suffer not the witch to live.