A post that doesn't get a lot of traction doesn't make it a bad/worthless post. If anything it actually adds something vs. the useless back and forth (which isn't speculation at all regardless of what some try to frame it as; it's arguing).
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Meanwhile, Blizzard has put the last patch of the expansion on the PTR with a lot of new hints/unexplained things that are actually deserving of speculation/analysis.
What's happening in Tirisfal? Why is Calia involved? There's a LOT of VO and things encrypted there.
Is the way between SL <-> Azeroth canonically wide open now? Khadgar popped up
as well as a (now removed) quest where we give a tour of Stormwind to creatures from the Shadowlands.
Why is there another encrypted Anduin model?
What's the encrypted item set for?
Why are there still two encrypted achievements from 9.2? Are those for next reset's content?
I can go on, but hopefully it's some food for thought that looks towards the future instead of the past.