Just to demonstrate how silly to quote Wiki.
Wiki on Orthodox Judaism:
“Jewish historians also note that certain customs of today’s Orthodox are not continuations of past practice, but instead represent innovations that would have been unknown to prior generations. For example, the now-widespread Haredi tradition of cutting a boy’s hair for the first time on his third birthday (upshirin or upsheerin, Yiddish for “haircut”) “originated as an Arab custom that parents cut a newborn boy’s hair and burned it in a fire as a sacrifice”, and “Jews in Palestine learned this custom from Arabs and adapted it to a special Jewish context”.
No need to elaborate, it speaks on its own…