According to the "Hypocrite Commits" paper by Qiushi Wu, UMN specifically approved this research, granting IRB exemption.
https://github.com/QiushiWu/QiushiWu.github.io/blob/main/pap...
See section VI-A (page 8).
https://github.com/QiushiWu/QiushiWu.github.io/blob/main/pap...
See section VI-A (page 8).