These starting hexes are there to familiarize the player with the interface and then later help isolate and exclude a few things that don't work when returned to. It's not really about whether they resolve, but rather how. The entirety of this demo is tutorial content. They are all solved in pretty much the same way. It's hard to know what you even mean by "solvable in the same way" though, and perhaps looking at their resolution as a solution could be argued not to be the right mindset to have for this game. I suppose this isn't as clear with how unfinished the tutorial is, but I guess even then you wouldn't see it anyway if you weren't interested by that point? I can look into your concerns if they are more specific.
What do you mean by "dedicated introduction"? The soul of the game is that of a subtle hostility, so it is tricky to make it interesting straight away without making it feel like it's rolling out a red carpet for the player.