So what?
This kind of rancid commentary is uncalled for.
We are not Nazi Germany demanding bloodline purity.
In general the bloodlines of Americans are a swamp of DNA from all around the world.
Some mixtures and backgrounds do well, some do not.
This young girl deserves accolades for what she has acheived, not back fence gossip about her origin and life.
According to Wiki, she was already competing on a national level when she was only seven years old! She’s extraordinary.
I'm assuming that there was no breach of confidentiality in play here - that the individuals willingly advertised their laboratory origins to the world at large, perhaps thinking that it would imbue them with a certain "cachet" or otherwise "score them points."
When someone does that, we are entitled to opine.
Regards,