In this episode a crew member is attacked by a unknown life form who attaches itself to her body. The Doctor doesn't have the knowledge it save her, but creates a hologram program of an expert in that particular field. It's later learned the person this hologram is based on performed human experiments on thousands of people - unauthorized human research. When the victim learns who is "helping" she freaks out telling not to use his research, she'd rather die. A few crew members agree and want the hologram and all data files of his work destroyed too. The experiments did create cures to a few disease btw. Was the crews reaction justifed?
If a cure for cancer was found but later discovered it came from illegal research, deaths of thousands should that cure be used?