I might be misreading/misinterpreting..what was the reason for the closure? The article mentions it was financial but it didn’t seem absolute.
All others were failed financially and did not recoup costs.
So expensive licensing rights, expensive development due to 100’a of hours of voice acting and giving the first chapter for free to hook people in I think resulted in a very poor business model in the long run.
If you played one TTG game you played them all they never really developed their formula so it really bacame stale.