That was true five or ten years ago - today there are legitimate alternatives and work being done on even better alternative to solve the issue you are talking

That was true five or ten years ago - today there are legitimate alternatives and work being done on even better alternative to solve the issue you are talking about. Most fall under the domain of Zero Knowledge Proofs which have use cases beyond pure blockchain systems. Apart from that, Web3 isn't simply crypto-currency adoption, its about using the consensus innovation core to crypto-currencies to build platforms regulated autonomously by a public group with certain guarantees for security, openness and control.