They are not likely to agree on which ones, though.

And from this you conclude ... ?

This also brings to mind an image of a very well-meaning fellow sneaking into kitchens of slave compounds (in ancient Greece, or XVIII-century US, or elsewhere -- take your pick) and adding to the food a drug which makes everyone who consumes it permanently sterile.

To be clear, you would condemn this, would you?

if they imagine the torture as vividly as they can

:-)

Not as bad as they can imagine; the correct level of torture, but imagined as vividly as possible.