That is the key thing though, these laws do not seem to have caught anyone else in international football out.
So Vanuatu were the only team in international football who were smart enough to lodge a challenge?
Congo (Republic of, not the Democratic Republic of) did it. As did Namibia. See here.
Panama did it. See here.
There's probably heaps more but there's 3 examples found in a few minutes on Google.
Right. I know other countries have breached eligibility laws. My point has been on the specifics of articles 6, 7 and the process by which you seek an exemption. Has any other nation interpreted article 6 as we have?
At least most of these teams which have broken the rules have only had the results overturned and been fined - no massive punishments and suspensions from future tournaments.