One would think that with the evidence cited by many countries and health professions against the practice, the issue would be moot. But (yes, there’s a ‘but’), much of the older research cited has flaws and thus leaves the door open for those who support the practice to stake their claim.
It's horribly important to talk to your kids in an age appropriate manner, about bad touches and bad secrets, but that's not enough. My parents did that, and did it very well... Most victims don't tell because they are afraid, afraid of the consequences of telling.