[Trumanator]

I would say that Aristander's casting of crumble on himself is not so much proof that he was in collaboration, as proof that he was ready to end the game.

Also, if Aristander and WL were in collusion, wouldn't Aristander TELL WL how much defense his fort had, and therefore how many crumbles it would take?

I am a bit confused as to why it matters that there wasn't a mage to cast a dome, since several domes, perhaps all, domes stay up for several turns at least, if not indefinitely in the case of some. Also, I consistently see posts that encourage people to "dome their caps." I see no reason why WL could not have assumed R'lyeh would have followed this advice, and thus cast many more crumbles than were necessary in order to break the dome.
I still think my other point is valid though. If WL and Aristander were in collusion to throw the game, why would they do it so obviously. I don't think anyone could seriously think that something like that would go unchallenged. Of course,it is always possible that they didn't think it through.

Often, the obvious solution is the convenient one.

Edit: I should have said this in my first post, but thanks very much to zlefin and Squirrelloid for this post/topic, as I think it will be very helpful in keeping the discussion civilized and on topic. As for the actual logs, I am still digesting them, thus my perhaps slightly OT comments.