Earlier quoted context omitted.
> I would argue that first requires investigation. Why do you think that enough of an investigation hasn't been performed in order to understand culpability? Thay already know what happened and want to learn why it was approved. That was what their comment said. Take a look at the actual PDF from the researchers , "On the Feasibility of Stealthily Introducing Vulnerabilities in Open-Source Software via Hypocrite Comm…
The prof overseeing the paper clarified that they initially did not seek IRB approval, and then received an IRB exemption [0]. I'd want to ask the IRB why they approved that, for starters. Maybe because they'd already done the research and hoped it would blow over, vs. the controversy of rejecting it when they'd already done the work? 0: https://www-users.cs.umn.edu/~kjlu/papers/clarifications-hc....
Here is Ken Thompson's apropos paper from 1984. [0]
[0] https://www.cs.cmu.edu/~rdriley/487/papers/Thompson_1984_Ref...