I boost stories for lots of reasons.
In this particular case, it was as a warning to prepare.
A "Heads up!" advance notice gives us all time to mount a defense & protests.
Fund a legal defense league to hire lawyers like the ACLU or Marc Elias's Democracy Docket.
Fund a public relations campaign to defend immigrants.
For example, Corrie ten Boom used her time to build a Hiding Place from the Nazis.
https://en.m.wikipedia.org/wiki/The_Hiding_Place_(biography)
Fund a sanctuary church.