For the most part I agree with you: Focus on the actual technology.
Here we finally have two experiments that we can run side by side in the coming years. Both have serious developers with some serious challenges ahead of them. So why waste time producing conflict? Let's just see what works best, so that we can make the world a better place.
Some consider BTC to be "the" Bitcoin and some consider BCH to be "the" Bitcoin. I'd say we can mostly just leave it at that and do something more productive with our time.