Having a separate page is mainly to discourage people using save files of the pre-alpha because it's completely incompatible (although it seems some people still tried 😅). Additionally, version numbering (internally in the game as well), has restarted from 0.1.0 and I feel it would've been confusing since both the pre-alpha demo and each early-access demo had their own numbering.
I'm not sure how obvious it is (it seems you've noticed at least a few of the changes), but a LOT of the underlying systems code has changed. RPG Maker itself is slightly more than a glorified map editor at this point. 😆
Going forward though, this Itchio page will indeed be reused for future public alpha (and later beta) versions, especially since some mechanisms have been added to upgrade save files starting from this version. Basically, all future versions of the game will now stick to this numbering scheme.
By the way, it is actually possible to win in that event depending on your choices/actions. 😉 (Just like many other events there are various possible branching paths and outcomes.)
As for the escape sequences, my main advice would be to lower the difficulty if escaping proves to be too difficult (for example on easy after a certain number of turns it becomes incredibly easy to escape the tent). After clearing a sequence once, it's possible to skip it the next time.
You also receive an item after clearing each escape sequence for the first time. Later in the (full) game, you may even find that you want to collect these. 👀