Washing brand new baby clothes?

Tiana β€’ Mother of 4 πŸ‘§πŸ½πŸ‘§πŸ½πŸ‘§πŸ½ πŸ‘ΆπŸ½ 13, 9, 8, 7m CNA, Phlebotomist, Surgical Technician
I'm 31 and currently pregnant with #4 and I've never washed clothes that I've purchased before letting baby wear. Now my mom is saying that I should, she's never said it with any on my other kids. I've asked other family and friends with children and they didn't wash clothes either!