Could it be that he didn't care more about being right, but rather didn't want his name attached to a project using deprecated crypto standards? Or that he gen

Could it be that he didn't care more about being right, but rather didn't want his name attached to a project using deprecated crypto standards? Or that he genuinely cared about his customer's data security and privacy? To me, he sounds like someone who's very defensive about a topic at work because of the conflict involved. And until I have reason to believe otherwise, I'll assume it's because of one of the two reasons I mentioned above (or both).