Splits rarely affect overall market conditions, unless its a well supported split and honestly i don't forsee that being the case for ethereum theirs just not that much demand to create a big hard fork issue, i get the feeling we'll be stable for the most part
And in this hardfork you won't get another additional coin, so I don't see a reason why it should affect the price of Ethereum that much. And on tokensales, like the one from Neuroneum, it will have no influence at all, if you ask me.
But if the whole crypto market changes and IF people start to become more optimistic again, we will see an effect on tokensale.