ANSWER:
Who decides what is forbidden and what is not? Of course it is Allah! So when Allah tells us to remove the armpit hair and the pubic hair while He forbids us to touch the eyebrows or the beard, no one in his right mind would question that!!!
https://islamqa.info/en/answers/8492/what-is-the-meaning-of-the-angels-prostrating-to-adam-and-yoosufs-brothers-prostrating-to-him