Let's see:
1. He is deceased, so he has no more actions or speeches that might generate news or discussion.
2. Erika Kirk is now leading Turning Point USA, so they are the ones whose actions are being discussed and are targets for Prog-Hatred.
3. Maybe Prog-approved skews sources have not reported on it, but the assassin's trial has begun and is getting coverage in places like Hot Air and PJMedia.