I personally think locking customization mechanics (like dying armor) and now customization options behind harder content shouldn't happen and is kind of short-sighted on the devs part. Imo, folks who do the harder content should be demanding better rewards anyway.
Yeah, sure, the price is dropping right now, but it's gonna be ridiculous in like a year when no one does the content anymore. It's going to be hard for newer players to get it. It's just going to be another Memoria EX type of situation. You can occasionally find a group to do it nowadays, but it's not exactly easy. There's really not a lot of reasons to do the content.
CBU3 has been in this weird mindset for a while now where they prioritize on getting people to do the content now with one-time rewards without any regard to how that plays out long term.