You're talking about a president that spends...the majority of his time...engaged on social media
I guarantee Trump will respond to Lebron before he mentions NFL players "locking arms" (what does that even mean?
You don't know what anyone does offline here; you just assume because people aren't bragging about their works that they don't have any.
This all was kicked off by an NBA player saying he wasn't going to the White House. Activism is what in your world? Sitting at a table? Symbolism? Shaun King does the majority of his work online, is he not relevant? You look to make division out of just about anything