It is a Jewish practice which Zionists carry on, and many secular folks do it just because they're following the herd. Like with vaccination, it takes conscious effort to opt out.

Vaccinations have a plethora of studies showing their effectiveness, vaccinations are science not religious mumbo jumbo like circumcision.

It was a perfectly rational discussion and then you had to go in and bring in your conspiracy nonsense. Oh NoSe iT dA jOoZ VaCcInE mAkZ aUtiZm