Who cares? Granny is still allowed to buy knives and accidentally chop off her fingers while she cooks. If she ends up doing that it's either her fault or she's

Who cares? Granny is still allowed to buy knives and accidentally chop off her fingers while she cooks. If she ends up doing that it's either her fault or she's too old to be using knives. We don't ban or blunt knives just because you can cut yourself with them.