During the 2016 Presidential Election process, there was a near complete disregard for what was true (post-truth) and a massive surge in the promotion of false and misleading news items that pretended to the true (fake news). This was further amplified by the viral spread of sensationalist nonsense on social media. Even worse, many of those systems were run by mindless algorithms designed to monetize individual preferences and feed their users information that conformed to their own ideological biases (social media filter bubble). Together, this has become known as the misinformation wars.
Many of these things are not new and has plagued scientists, doctors, skeptics and other science advocates for many years. However, there was decidedly a massive surge that happened in recent years. People and groups that promote pseudoscience and bigotry managed to manipulate the mainstream media into giving them a ton attention and free publicity. These groups could then counter by spreading demonstrably false narratives in their filter bubbles to build what was and is essentially an anti-reality grassroot movement.
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