They can't ruin it. It's already out. On the Internets. There's no stopping it now.
I mean seriously, tons of romhacks of Square-Enix games have been around for over 10 years, maybe 15. Translations, retranslations, hardtypes, easytypes, rewrites, gameplay-adjustments; if they didn't do anything about those, they're not going to do anything about this.