No, that is a necessary but insufficient condition to come up with Web3. Web3 also requires the concept put forward by Ethereum of having an instruction set one

No, that is a necessary but insufficient condition to come up with Web3. Web3 also requires the concept put forward by Ethereum of having an instruction set one can pay to run on chain. That would have probably been thought up and deployed independently from Bitcoin's price action. But both probably were necessary to provide sufficient foundational momentum to building things like DeFi.