Who is SE developing content for in this game?

[Elamys]

rewriting the entire games engine is not a quick thing. who's to say they aren't working on that in the background now?

They still have to push out content updates.

I mean come on. They told us paid items like the Wind-Up Yotsuyu were becoming single character only because they were out of keys for items and then suddenly put out an account-wide mount. There's likely some truth to the statement but it's starting to get extremely suspicious that the things they "can't" do are much less limited when extra money is involved.