Nicola in Edible Geography talks about this liberation, after a lengthy description of the process of grinding the wet maize to make tortillas.
“Mexican women that I have talked to are very explicit about this trade-off. They know it doesn’t taste as good; they don’t care. Because if they want to have time, if they want to work, if they want to send their kids to school, then taste is less important than having that bit of extra money, and moving into the middle class. They have very self-consciously made this decision. In the last ten years, the number of women working in Mexico has gone up from about thirty-three percent to nearly fifty percent. One reason for that—it’s not the only reason, but it is a very important reason—is that we’ve had a revolution in the processing of maize for tortillas.”
Similarly Hans Rosling in a Ted.com video lecture discusses how the washing machine saves so much time and womanly labor that women can now read.
As I've said, we're not going back.