It's not really a language exam like a certification or anything but merely a style compliance review. Also, such a compliance review doesn't exist for C, but r

It's not really a language exam like a certification or anything but merely a style compliance review. Also, such a compliance review doesn't exist for C, but rather C++, and all of Thompson's work is on Golang which run a little differently than and separately from the centralized google codebase where this little bit flag matters therefore he doesn't need to worry about it since he doesn't really commit to the core. Besides, if someone else who has "passed" reviews his code, which just about every reviewer has, he can commit anyway.