Terribledactyl basically nailed the only issue I see: leaking your private information. Other then that, I'm sure the other cautions that they bring up aren't

Terribledactyl basically nailed the only issue I see: leaking your private information. Other then that, I'm sure the other cautions that they bring up aren't as big of an issue. You are basically ok in my book so long as you plop a copy-left license on it.