I've always assumed that the P&Gs of the world were making stronger soap year over year. Isn't the idea that we had magically clean clothes in the past just wi

I've always assumed that the P&Gs of the world were making stronger soap year over year. Isn't the idea that we had magically clean clothes in the past just wishful (wistful?) thinking? Kind of like, "When I was young, kids had respect!"