Please. The chait of the eitz hadaas came not from chumros, but from a miscommunication cleverly manipulated by the snake. To claim the lesson of this story is not to have too many chumros is just as ridiculous as saying the lesson is that a man should never listen to his wife. (After all, if Udom hadn’t listened to Chava when she “gave him to eat”, the story would have ended quite differently.)
As Jothar pointed out, it has always been the position of Torah-true Judaism to build a protective wall of chumros around the Torah.