It isn't just that Mayer has nixed Yahoo employees working at home. It is that she is completely blind to the hundreds of millions of women who are not like her. Here's the thing: no one is equal until everyone is equal. That is as it has been and as it will always be.
There is nothing wrong with reaching for high standards. But just as I wouldn't tell a new tennis player that she would soon be playing in Wimbledon, I would never be so insensitive to tell a working mom that she can have it all -- all the time.