It may be a call out to Big Tech that have financial ties to gummint...beholden, as they say.
Many of the others are regulated under 47USC230.
Will O’Biden try to apply 47USC230 to Apple/Android stores to stunt Twitter?
And maybe Big Tech companies that are controlled by/guided by/working US gov agencies, aside from $ considerations.
I do not know what 47USC230 is.