I already said it before, if a motivated minority wants to fork, it will fork. Yes, it will be costly. Bitcoin Cash was the same. We were laughing at it, but they developed the EDA to save, and keep their network going.
Instead of making an announcement like "We clone the coin, Decred, for example, from their source code and start to develop our coin from it."
They make their projects look more legit (in fact they are not): "We fork Decred coin because of its drawbacks and develop our better coin".
Fork ~ clone and they will end with no interests from community, investors, zero value.
But blockcain networks are made up of people, if there's a motivation to fork, it will be valuable for those people.
We laughed at Bitcoin Cash, but it's still fighting a war of attrition against Bitcoin, still supported by a motivated minority.