Oooo. That's an interesting idea in your snippet. I am on the fence, however, as to whether it is a smart or stupid idea.
Smart because yay, now you can see everyone that comes through the gates!
Stupid because not everyone that comes through the gates suffers such convenient side effects like Doug's that allow them to be detained and anyone that
has enough power to be hopping through the multi-verse most likely can respond forcefully to detainment attempts. And that's assuming a generally
benevolent traveler...
Smart because yay, now you can see everyone that comes through the gates!
Stupid because not everyone that comes through the gates suffers such convenient side effects like Doug's that allow them to be detained and anyone that
has enough power to be hopping through the multi-verse most likely can respond forcefully to detainment attempts. And that's assuming a generally
benevolent traveler...