He wasn't just using his position as a Google employee as a platform for ideological ranting. He was expressing concern over how (supposed) ideological bias wa

He wasn't just using his position as a Google employee as a platform for ideological ranting. He was expressing concern over how (supposed) ideological bias was affecting working conditions and the effectiveness of the company. To my understanding, that kind of speech is specifically protected against consequences (or at least, protected from firing).