They have to
Too much truth is getting out there
There is a race happening and it is between 1) full-fledged fascism, currently being instituted at a shockingly rapid pace, and 2) people rebelling against the Big Pharma entities that are literally poisoning them and their families.
The outcome of the race will substantially be determined by who controls communications, which is why the Big Tech Big Media conglomeration is doing everything possible to silence dissent.