What he doesn't get is this: Yes, they are easy to crack, especially using crowdsourcing, against which there's no defense. However, that still is a threshold a

What he doesn't get is this: Yes, they are easy to crack, especially using crowdsourcing, against which there's no defense. However, that still is a threshold against automated attacks, however small. The argument is the same as a free product vs. one that costs 2 cents, having a price, however small, changes the category. Or, you can think of it this way: Most simple home locks can be picked in less than 30 seconds, but you still lock your door, although it's a nuisance (find your keyes, etc.), knowing full well that this won't stop a determined attacker.