I had the impression castration in adulthood doesn’t actually mean never having sex again, and while reducing testosterone levels may make someone less aggressive, having had their balls cut off may make someone more angry and hence more aggressive. And (whether it makes sense or not) a lot of people class any sort of physical mutilation as cruel and unusual punishment even if it actually causes the punishee less suffering than e.g. locking them up for 10 years.
I had the impression castration in adulthood doesn’t actually mean never having sex again, and while reducing testosterone levels may make someone less aggressive, having had their balls cut off may make someone more angry and hence more aggressive. And (whether it makes sense or not) a lot of people class any sort of physical mutilation as cruel and unusual punishment even if it actually causes the punishee less suffering than e.g. locking them up for 10 years.