I guess the "Turing" part of the name was a bit hopeful. Are the attacks actually doing OCR, or are they brute-forced against a database somehow? (or maybe those are the same thing these days?)

I guess anything that's widespread enough will make cracking it valuable enough to get someone to work around it, but it seems like we could probably come up with something that was quite a lot more human-y requiring?

Language understanding? Whatever it is that AI PHD students are failing to solve these days?