(quote by Stephen Jay Gould)
If we assume roughly 1.2k people were as smart as Einstein when he was born then, thanks to birth rates, we could have our "10000 Albert Einsteins" today. Statistically speaking ~3k of them alone were born in either India or China and are probably working a regular, badly-to-okay paid job [1]. We could be recruiting them today.
But no one cares about that because the premise is flawed and it's not about solving "medical, scientific, and societal issues". It's about making money and chasing "interesting scenarios" instead of actual solutions. As the meme format goes, men will literally clone Albert Einstein's brain instead of giving proper funding to schools.
And sure, chasing SF scenarios is fun, but let's not pretend that any of it is about making society better. As the sibling comment points out, we are more likely to get a clone of Rupert Murdoch than one of Stephen Hawking.
[1] For extra irony we can imagine a non-zero number of them work for patent offices.
https://en.wikipedia.org/wiki/Mirror,_Mirror_(Star_Trek:_The...
I doubt people like Jonas Salk would accept being cloned if they could help it
The resemblance between young Donald Trump and his son Barron is uncanny, for example.