You are using a very different meaning of centralisation and decentralisation than blockchain people do.
That's neither here nor there though.
The way you kill Facebook, Google and any Web2 company is to kill their business model. These are all 100% ad-funded businesses. Kill the advertising funded internet and these monopolies categorically die with it.
The only _attempt_ I've ever seen at addressing the issue that all the major websites are ad-funded has been within the blockchain space. Show me any other realistic alternative to ad-funding and I will happily adopt it.
That's neither here nor there though.
The way you kill Facebook, Google and any Web2 company is to kill their business model. These are all 100% ad-funded businesses. Kill the advertising funded internet and these monopolies categorically die with it.
The only _attempt_ I've ever seen at addressing the issue that all the major websites are ad-funded has been within the blockchain space. Show me any other realistic alternative to ad-funding and I will happily adopt it.