What if the YouTube shooter had an assault rifle?

A group is escorted into a YouTube office building in San Bruno, Calif., Wednesday, April 4, 2018. A woman suspected of shooting three people at YouTube headquarters before killing herself was furious with the company because it had stopped paying her for videos she posted on the platform, her father said Tuesday, April 3, 2018. (AP Photo/Jeff Chiu)

As YouTube employees return to work this morning, still shaken by the chaos that had engulfed their San Bruno headquarters April 3 when a disgruntled follower shot several people before killing herself, one question that's coursing through social media is this: 

What if she had been using an assault rifle to carry out her attack?