The topic was someone telling your employer about something bad that you did.

All of this stuff goes hand in hand. If you are getting a "social media frenzy going", to get someone fired, you are also response for when that social media targets someone's friends and family with stalking, harassment, and death threats.

You cannot pick and chose the consequences of your social media frenzy. It all happens at once, and you don't control the mob. And you are at fault for all of the consequences of that hate mob.