Major outlets did do some previously. Unfortunately, look at the active user count of Mastodon vs other social media outlets.
These companies want to reach the most people as possible. Theres also an AskLemmy about barriers to adoption of the general public unfortunately that was answered quite well :/
I listen to Philip DeFranco occasionally on my way home. He does wonderful recaps first focusing on media news, then us politics, and foreign/world news. He also posts sources