[q-big]

> ReCaptcha does a similar tactic but rather than unsolvable it's a stream of the most annoying captcha -- "select all of image until none are left".

In such a situation, I often think: isn't the fact that one makes "stupid mistakes" when attempting to solve a ReCaptcha rather a sign that the entity that is attempting to solve it is a human?

[jjoonathan]

I'm sure they build in tolerance and even take advantage of this signal, yes. The result is still far from reliable, though.

The smug gaslighting and intentional time wasting after an incorrect identification is the worst.