His name and hotmail email is associated in git with various cryptography projects including openssl.
[0] https://www.theregister.com/2020/04/23/gcc_openssl_vulnerabi...
Your links shows commits 2016-2018
https://www.theregister.com/2020/04/23/gcc_openssl_vulnerabi...
FandangoRanger made a comment, said it can be a backdoor. And rurban made a comment, said it's unlikely to be a backdoor. Both have been downvoted. I guess the hivemind is fair enough...
Not necessarily so. Perhaps the hivemind is not interpreting the question as a binary one. For example, the downvote for "Reflections on trusting trust?" can be result from the cliche fatigue.
Look now the history "ends" at a different commit: https://gcc.gnu.org/git/?p=gcc.git;a=search;h=5828c09abe00cc...