I believe the answer is: It failed to protect the biographical anonymity of his subjects
What humpreys did for his research could be considered a violation of privacy. Ethical standard comittee usually require the reseasrchers to ensure that the personal information of every single subject shall be guarded properly. Because of this, the subjects now had a legal ground to bring a lawsuit to Humphreys.
All of the above because they are not just for emergency cars or something they all are used for other things too
1. Because sexual reproduction requires at least two partners, and asexual doesn’t need anyone else to reproduce on their own.