"This was a very clear case of employees disrupting and occupying work spaces, and making other employees feel unsafe," a Google spokesperson told CNBC, adding that the company "carefully confirmed" that every person terminated was involved in the protests. "By any standard, their behavior was completely unacceptable."

That round of job eliminations underscored Google's clampdown on internal discussions related to hot-button topics, including politics and geopolitical conflicts, which was encouraged by executives several years prior.