Particularly heinous crimes or repeat offenders. And with the concurrent standard of proof beyond a reasonable doubt. You're absolutely right about #metoo. The Left weaponizes the legal system and will happily crybully to get the authorities to do their dirty work for them. It's a real threat, and when we're talking about permanent interventions, we have to consider the possibility of circuses like OJ or Derek Chauvin where the jury clearly got things wrong for political reasons.

I would support chemical castration. Give them T-blockers just like a guy with prostate cancer. No mutilation necessary. Just ensure they take their pill every day. If they're ultimately shown to be innocent, stop the drug.