"Going dark"

This is talking about social media posts. I don't see how this is a big deal unless there's more to it?

It literally is only social media posts.

https://www.daytondailynews.com/local/wright-patt-halts-social-media-activity-due-to-dod-policy/GK5SUVOWERG45JLNOZXE7FKM24/

"Going dark"

This is talking about social media posts. I don't see how this is a big deal unless there's more to it?