I'm (unironically) sure it's a multi-faceted issue with a lot of actors having genuinely good motivations to push for this.

That being said I'm also sure those groups are especially vulnerable to fear-mongering [0] and it would not be particularly hard to rile up these bases to work towards the same end goal.

[0] https://en.wikipedia.org/wiki/Four_Horsemen_of_the_Infocalyp...