Honestly, someone willing to spend effort & time & resources on a big language model will have enough resources to find other ways to access whatever they are h

Honestly, someone willing to spend effort & time & resources on a big language model will have enough resources to find other ways to access whatever they are hoping for, similarly how they can buy ReCaptcha solve services. So, in a sense if that is your threat model, you need multiple traps, neither of these will suffice alone. :)