If someone offers their honest opinion on any subject, it is the role of the Twitter account holder to take it seriously, decide whether or not they agree with it and, if not, deride the tweet and its writer with every indignant tweet they can muster.
Naturally, said responses will make it into mainstream media because social media is now a source of "news" and tweets have achieved the same status as "quotes".
Such is the evolution of what was meant to be a means of banal conversation between people from all over the world - people with not a lot to do, obviously. Now it is outrageous, controversial and a great way to gain fame ... a swift rise to stardom in an airhead world. Faster, but not so lasting, as a spot on a reality TV show - and just as much talent required.
And Ebola, with or without comment, will continue to be a serious threat, commanding the attention of genuinely intelligent people tasked with its control.
Ebola, sensibly, doesn't care what Chris Brown thinks ... and neither do I.