Looks like it. It feels sarcastic for me.
If it is not, then great.
Now this makes sense. Do your job, as there are bunch of other ways to support something you believe in, world doesn't have to stop. I mean I would understand if players go on strike in case there is systematic racism inside NBA organization. But in this situation, play the game, and then use money and influence to support whatever you want.
It is like being employed in an office job.
If they want a leave of absence then do it.
But they will need to go back if they want their teams to stay on top.
Especially those who are on the 8th-12th seed. I bet they want to participate in playoffs so badly which is why they need to play.