That's only true if there was nothing internally relying on it.
edge route blocking doesn't take a deploy
Whitelist internals and deploy?
It may be impressively fast or unimpressively simple. We won't know for sure.
Absolutely. But imagine e.g. a mobile app that uses that API. That's a harder change to propagate. That's pure speculation though, as you said. We have no idea.
Comment out and redeploy, fixing the other features is a lot less urgent issue.
That's all well and good for a tech demo, but things rarely seem to be that simple in systems as big/old as OkCupid. I guess this time, it was.