When did "natural childbirth" start involving inflatable wading pools? 2

Natural Birth & Inflatable Swimming Pools

I am old. This is what the new batch of our babies have to look forward to. They have an old mom. And she’s way behind the times. They will to go school with kids that were birthed into swimming pools… In their living rooms! Am I new? I am just hearing about this. I saw the Duggars doing “natural” deliveries in a bath tub..