The vaccine battle, like the battle to end nuclear radiation and genetic modification of life forms, is part of a battle for our very survival at the genomic level. We are not facing the adversary of insane science-for-profit. We are facing a far more dangerous adversary which has every intention of “bringing about” what they call “transhumanism” or defiling our very genome for their own purposes.
If the company wants to hide it, doesn't that make you think whatever they are hiding but telling you that you need might, just might be worth hiding? Take GMOs, for example. Fighting to prevent labeling for decades, Monsanto(R) and its ilk are working as hard as they can to keep you from finding out... something.
We do not know the who, how or why of the "mounting pressure" but here is a list of the sponsors of the 2015 Tribeca Film Festival https://tribecafilm.com/sponsor-block. Was the pressure from these commercial entities or from other places? Wherever it came from, open dialogue about vaccination has suffered a major defeat.