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That's a silly rule because of the lack of secondary resources, just like on Mine-Nost, the absence of a path to one of the resource nodes isn't grounds for an objective restart. On Small Map, the absence of one of the treasure nodes also isn't grounds, but here it is. :) Moreover, a new reason for a restart was immediately added to the rules upon the first request. Double standards rule.
On Mini-Nost, the absence of one of the resource nodes isn't as decisive because there's a lot of territory, and clearing it all takes a very long time; the game usually ends sooner. But here, there's little territory, and your own half of the map can be cleared in a week or two, and secondary resources are the main source of profit. Especially native secondary resources, which are taken into account when planning the strategy.