I certainly see your point. That said, devil’s advocate, the comment doesn’t refer merely to political opponents, but rather:
the most evil people I can think of
Can you honestly say that you wouldn’t painlessly snap, let’s say, a proven serial child rapist out of existence? I think I’d do it, if for some reason the justice system was unable to stop them.
You can get that good, scurvy-busting vitamin C from meat just fine, all you have to do is eat it raw