Because they are believe there will be pushback from the media/ pharmaceutical companies and they will get in trouble. There will be a "boycott" against them or something similar. Yes 100%. There was just a study that shows that americans are scared to express their true beliefs about anything bc they will get in trouble at heir job, with their family, lose their friends etc. Its much easier to remain silent. And the torah has already told us Hakesef yaaneh is hakol. This isnt rocket science. You dont see how the media portrays anything trump related or trump supported?