I'd recommend you be mindful of your tone on FR. You're new as of less than a month ago, and this sort of comment will get you the ZOT.
That being said, tradition is all we have to stand on in the way of the rise of secular humanism. Tradition is why the Catholic church has stood in the way of allowing Priests to marry for over 2000 years. Tradition is why America has been a God-fearing, Christian nation of prosperity and worth for over 200 years. Tradition is necessary to faith, or we lose our identity.
What you call "genital mutilation" is something embraced by most of the civilized world.
My wife and I decided our son would be. Our obstetrician did it a day or so after birth— a chip off the chip off the old block.
We were discussing it with a nurse, who told us that babies do not experience pain during the procedure— at least the traumatic pain some claim.
As to the “good hygiene” argument, we may have plenty of water to wash in now, but there are no guarantees of anything in his future.