I have never been run over by a car. So I didn't get to have the 5 weeks off work my "lucky" ex-colleague got - sitting at home on the sofa, watching day time tv, being able to catch up on reading interesting books, while being paid. So unfair. And he didn't even learn a new language in that time - wasteful of the time off!
Most big companies already have arrangements in place if a staff member wants to take a sabatical. Some allow unpaid career breaks of 2-3 years, with a promise of going back into the same pay and job level you left on.
Its really normal for people that have been employed for a while, who want to take a break to write a book, go travelling, go back to study etc to not have resign to have the time off now.
"Should employers be forced to allow anyone who's worked for more than 5 years to be able to take a sabatical?" would be a better framing of the question, but then it's not piting on set of woman against another....