Not only did the perpetuator of the joke lose his job, so did the person who tweeted about the joke. But even more damaging for the company was the irreparable harm to the company’s reputation and services. Many customers threatened to quit and a Denial of Services attack disrupted services from the company affecting its customers.
The tweets became viral before the company had a chance to take action. Quicker reaction times are the key to reducing the Impact of tweet-gates.