There are trillions of dollars to be made by inventing a way to make or grow a new heart. We want this. Repeat that to yourself a million times before disdaining money.
A greedy society that pulls such things into existence years before government gets around to inventing it will save billions more lives. Not concerned about fairness in that sense. Am concerned about net lives saved.
This reminds me of a couple of articles I've read recently regarding the latest and greatest: the Pulseless Artificial Heart, which was developed by the Texas Heart Institute. No links sorry, I'm on my phone. Like yourself, I would have preferred to see the "new heart" come from private funding. However, on the THI wiki page it states:
"2008 - the THI receives a grant from the national institutes of health to develop a new total artificial heart... (Goes on to describe the PAH).
Since the NIH is a taxpayer-funded government institution, it would only be fair to give the public sector credit for the recent advances in artificial hearts.