How do people fall for it?

Nearly 0 Critical Thinking Skills

OR

Fairly Serious Usage of Mind Altering Drugs +

Genuine Curiosity +

Desire to Learn More About the World +

Oops, youre surrounded by Right Wing Conservatives and/or Zany Religious Cults either online, in the real, or both.

More or less standard for how most people fall into most kinds conspiracy theory rabbit holes.

People go deeper and get hooked for two main reasons:

You feel like youre unearthing the secret truths you didnt learn in school, which is exciting.

The deeper you go and more you 'learn', the more it provides both a comprehensive framework to view nearly all the world through, functioning as basically an arcane ideology, giving the adherent purpose and identity.

And as Agent Smith told us... it is purpose that binds us, that drives us.