That article is overblown. People need to configure their websites to be more robust against traffic spikes, news at 11.
Disrespecting robots.txt is bad netiquette, but honestly this sort of gentleman's agreement is always prone to cheating. At the end of the day, when you put something on the net for people to access, you have to assume anyone (or anything) can try to access it.
Does it? They're a middle-upper income country now, and child labor tends to be an issue at much lower levels of development. Anyway, for the Chinese electronics sector, you're vastly more likely to see humanoid robots than children.