They have never been transparent about anything at all. All you can do is to read between lines.
In the end it's their decision and we are not entitled to anything. If you donate do it for the work they have done, not for what they have promised.
They are the same as always, you have been here for some time to know that. If after all this time you now realize that something does not add up, you can leave, find other mmo, or take a break and return later.
If they start giving out info handouts, like the dungeons bit, who is not to say that the plans will change and they will just find angry players waiting for some "promised" content. If anything, these sassy posts only make them think twice about posting any updates.