Another point to consider is that Bitcoin (legacy) has developed so much over the past few years, and the fact that it now has an entire infrastructure supporting it.
Any new forked coins are therefore starting out at a disadvantage – at least in that regard. But if we look at the recent resurgence of Bitcoin Cash, it seems like those obstacles might not be insurmountable.
May the best coin win out in the long run. Or, to paraphrase an old Chinese proverb, "May a hundred blockchains blossom, and a thousand cryptocurrencies contend."