After so many, you're still going to get the "you're sending automated requests" message just like you do if you keep answering the quizzes correctly by hand.

After so many, you're still going to get the "you're sending automated requests" message just like you do if you keep answering the quizzes correctly by hand. ReCaptcha doesn't care at all if you're human or not, but instead has some vague aim of "preventing abuse."