... Their "Download my information" option excludes users' email, which makes it mostly useless for exporting your graph. Furthermore, if they were worried ab

... Their "Download my information" option excludes users' email, which makes it mostly useless for exporting your graph. Furthermore, if they were worried about server load, they would block queries altogether. Instead, what they're doing now is just hiding the email addresses if an IP address queries too rapidly. I don't think there is any explanation besides data protectionism.