[tmsldd]

Wondering... and if the cells also replace the brain and create a human-like intelligent sheep..

[Piskvorrr]

We've had talk of sheeple for decades now. Nothing new, methinks.

[zombieprocesses]

It's a major ethical concern.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4928294/

Scientists/ethicists have been pondering whether stem cells and creating chimeras could lead to unintended consequences of affecting the brains of animals. Maybe even making them more conscious/intelligent.