You’re saying that after two full trilogies (Benioff & Weiss’ and then Johnson’s), you honestly believe they won’t jump into X-XII?
The numbered saga will never be over. But every third numbered saga film will always be advertised as if it’s the very last one. It’s only a matter of how much time they go in between IX and X, then XII and XIII, then XV and XVI, then XVIII and XIX…
I honestly believe that thinking this isn’t going to be the case is naive.