[donutz]

Not the best analogy. The anthropologists aren't trying to root out wrongdoers in this tribe by surveilling the whole lot of them.

[codezero]

I know, but the NSA could argue they aren't trying to root out wrongdoers either.

What would they do if their camera recorded a violent act between tribe members, or against a child? They might feel obligated to act, or not act, either of which could have dangerous consequences.

[TeMPOraL]

That's why such hypothetical NSA should adopt the Prime Directive[0].

[0] - https://en.wikipedia.org/wiki/Prime_Directive