Right. Satoshi Nakamoto created Bitcoin. He's a genius. Bitcoin systems and communities are working perfectly, and everyone is crazy about Bitcoin. But what happens if someone creates a blockchain that is faster and better than Bitcoin and puts it out into the world without any greed, as Satoshi did? Are people going to ditch Bitcoin away? In that moment, we're going to see a blockchain that's performing better than Bitcoin and is perfect for decentralization that everyone emphasizes. What will happen?
Protocols currently exist that have much more better (security, performance, etc) features compared to bitcoin even though decentralization is not their strongest suit. At first, I was a big believer of the "Bitcoin has the first mover advantage" narrative but overtime, it turned out that Bitcoin is much more than that. So even if someone comes around with a new more shiny tech which has been done a couple of times over so anything else will probably be next in line many others that have come before them.