I really don't agree with the google search thing; I mean really?, because he hasn't mentioned it on twitter or it doesn't come up on a google search he should be criticised? For all we know he talks about it/advocates behind the scenes. Accumulating hate for someone because they haven't mentioned something online that is important to you is kind of silly. (& i'm black, Black lives matter is extremely important to me.. but #blacktwitter might've gone too far with this one.)
The excessive backlash that begun with a tweet that he then immediately apologised for really is just being blown out of proportion.
We should focus our time & attention on more important issues like terrorist attacks on airports, not Justin Timberlake's irrelevant tweet