At 6m+ babies are already able to seat, but not too stable. To help yourself with the bath and free your hands, this seat does a great job. It has 4 suction cups so it sticks to the tub and few toys in the front to keep the bath interesting while you trying to clean the tot.
When your baby starts crawling and climbs on everything, you want to do everything you can to to protect him. Maybe these munchkin safety latches are not a home design catalog worthy, but it works. And the safety of your child is what matters.