Bitcoin Core is the reference client that defines the protocol and consensus rules of the BTC network:
Clients that disagree with Bitcoin Core's consensus rules are forbidden from discussion on social platforms:
Miners signed an agreement to run only Bitcoin Core software:
97% of Bitcoin nodes run Bitcoin Core software:
This is why BTC is synonymous with "Bitcoin Core"
Some people will come here to try to dispute these claims, but I've provided proof to substantiate my statements, and these facts are stubborn things.
Ask yourself: why would people go to such lengths to quash any competition to Bitcoin Core and to achieve a de facto Bitcoin Core monopoly, while at the same time denying it happened?
Ask yourself: how can a chain with these characteristics be called "decentralized?"