That’s exactly what I’ve been saying about comparing an organ transplant to an entirely new created being. It’s apples and oranges.
Sure it was. The aliens’ reproduction process had advanced, and those crew members were their offspring. Under your argument, those aliens had a right to live - which they would’ve done until Dr. Crusher killed them.
She reversed the process in Leitjen by overwriting alien DNA, but what was the patient expressing toward the end of her treatment? When Geordi followed Leitjen back was he more human or alien at that point? The way they had to hunt him down, I’m gonna say mostly alien. In this case, original life forms were given priority over the new ones - regardless of the wishes of the altered crewman. Just like in the case of Tuvix.
