You make some of the strangest/incorrect observations.
If only one source is correct, it means just that, it is correct. .
If you watch news (by your posts, not sure you do) you will see that the outlets listed by Reagan will often use the same terms or specific wording on the same day.
It is very easy to verify this, the are plenty of montages out there that show this. Now wouldn't you call this very close to "state" news that gets it's material from an obviously central source? And by the way, it always agrees with the liberal point of view.