Answer:
No they should not be held accountable.
Explanation:
When the actions were taken in the past it was legal, now that it is illegal the companies should not be held accountable. If they are it will set a bad precedent that will affect a lot of companies.
In the case of GE that did experiments on prisoners to test effects of irradiation however, even if criminal charges are not brought against them, they can face charges. What they did was wrong even if it was legal then.
