We actually do live in fear of the mobs, and in the future I foresee more anonymous / distributed content on the Internet and more services / projects facilitating the publication of such a content (https://ipfs.io/, https://datproject.org/, http://telegra.ph/).

What if Damore circulated his memo anonymously an untraceably? He would still be at Google's. Just wait until anyone gets the hint. You can't really just shut people up :)