I wear perfume everyday, scented shampoo and bodywash. To me it's not excessive and my bf tells me I smell nice.
You say they are rude. It's not rude to put on scent. They are just likely to be innocent JWs, that hate the ministry getting grief at the door. They are trapped in a cult and need our kindness.
If I thought someone needed advice about the way they smell I would have a kind word....not tell them they are rude.
Kate xx