This isn't about redemption or rehabilitation. No one is suggesting she's going to beat, starve, abandon and murder another 4-year-old. That's very unlikely.
But, what we are suggesting is that a private institution should be able to consider a person's entire story in their admissions decision.
Crimes have consequences beyond the government imposed sentence. But maybe the issue here is that the woman's punishment was much less than what most people would consider full justice, so they feel compelled to mete out slightly more to compensate.
And you say, but look at all she's contributed to society with her research! And I say we'll never know what her son may have contributed and she took him from the world.