Why the Secret Spell Scroll system would have never worked.

same reason dupe methods are "top secret" if someone from the other group figures it out, and there's a fallback dupe method, they'll release how it's done so that it gets patched, and cuts group B's ability to compete in prices and undercut.

maple's a mafia.

At least there's competition between hacking groups, otherwise it would be a monopoly and things would be much worse.