because if it was obvious, it wouldn't be a trap. A trap is hidden and that's what makes it a trap. Do you not get the definition of the word "trap"? It's something you innocently walk into and get stuck in. You didn't know you were going to get stuck in it because it looked perfectly innocuous.
Nobody walks into a trap if they know it's a trap. If people don't know it's a trap then yes, they'll blunder into it and get stuck.
I'm right and you're wrong. I'm usually right in these cases. If you still think you're right then you haven't understood something. You don't realise that a cult is a trap.
Are you a premie?