Did you read the article in its entirety? :)

Fear can be a very useful thing to avoid something as catastrophic as nuclear war.

Fear causes people to not make rational decisions. It's not a solution.

Decision makers may not be fearful, but it may help if their electors are afraid and pressure them to solve the issue.

If the elected need to use deception to implement their goals...

Interesting article about it: https://www.theverge.com/2017/9/29/16385026/elon-musk-spacex...