Yes, this is what the MSM has been doing for decades.
If you know the meaning behind the "Fruit of the poisonous tree" analogy. That does apply.
The MSM does nothing but cast fear porn. One look at YouTube's recommendations will prove only the major networks are allowed. 
Of course, none of the networks will be on Rumble, gab, truth, or the others, and only someone who hasn't paid any attention over the last 6 years would not understand.
MSM will not go where everyone else went after the many cycles of suppression these last few years.
If the MSM did go to those platforms it would fly in the face of what the MSM accused those platforms of being extremist.

IMO the key, for me, is to visit as many news sites as possible and not just 1 or 2.
News sites include all the sites with people who congregate news and opine.
Listening to someone opine in a direction you don't agree doesn't make you a holder of such said opinion.