[cm2187]

> But, sometimes, when we're not 100% sure if something is malicious or good we issue it a “challenge”.

I think they meant “bot or human”, not “malicious or good”. Bot != malicious. And these challenges will do no good to non malicious bots.

[lucideer]

I think you're confusing intent with implementation.

You're right that the implementation excludes non-malicious bots and fails to solve for malicious humans, but that just makes it an imperfect implementation of the intent: which is to differentiate malicious & good.