A decentralized system that was still made by someone and currently still being updated by other people, so yeah, there were ''promises'' in a way.
made? No. It was proposed. Anyone could volunteer to 'make it' and many are still 'making it'.
someone? How do you know it is 'someone' and not 'some group of people'.
updated by other people. Yes. So? You can be one of those 'other people'. And if the existing 'other people' does not accept your recommendation, you can always create your own implementation and see if there is enough people supporting it.
so yeah, there were ''promises'' in a way. So, NO. There were no ''promises'' in any way.
Yeah just like anyone can volunteer to be the president of the United States. You can be one of them if you know what you are doing just like politicians, 99.99% of the crypto community do not have enough knowledge to be one of them.
You seem to have confused the basics of centralization & decentralization. If you disagree with US president, you can't fork the US. But, if you disagree with the lead maintainer of Bitcoin Core, you can fork the Bitcoin Chain.