The Glass Ceiling

Perhaps it is authentic when Hillary offers her.... "yes, I see cracks in the glass ceiling".... metaphor to crescendo her plea to liberate the oppressed. This somewhat subtle, but damn appealing metaphor, has no doubt advanced the cause of countless women, blacks, gays, etc along the never ending road to imagined human equality. Without inference, it should be noted that this metaphor also has had the, no doubt, consequence of gathering lots of votes for party politicians of record.
Metaphors sell, and some, like "glass ceiling", just knock it out of the park. Yes, I am constrained, such that my upward movement is blocked by a constructed ceiling/barrier, and to enhance the cruelty of my oppression, the barrier is made transparent so that I will always know what I cannot reach. Except, of course, that glass "will break", but when it is a ceiling, probably not without heroic effort. Gotcha, now vote!
Personally, I believe that the Hillarys who use this "meme device" are honest in their conviction and truly believe that there has always been a ceiling, that it is transparent, that it both can and should be vanquished, preparatory to a John Lennon's Imagine scenario where equity reigns for 10,000 years, but.....
and it pains me to say it, again but, my sense is that it's either impossible or at least it's evolutionarily too early to "break the glass". My cynical "non-Lennon" scenario is that sadly we would all die trying to "right a cosmic preference". Maybe in the future when humanities AI turbo-charged technology and our then hopefully much expanded wisdom addresses this seemingly "moral feature/bug riddle", we can rethink, but I hope not soon.
In Quantum Mechanics, we now just don't know what happens when we "collapse the wave function". We findl "unmeasurable uncertainty". My caution: let Elon get to Mars, lets control our atmosphere and lets put a droid in every house before we ""collapse the human uniqueness spectrum". Perhaps then, we can live in a galaxy where, indeed, "all men are created equal"