Of course, Coinbase plans to make participation easier. Its much anticipated NFT marketplace will allow users to buy these assets with fiat using their credit cards. Indeed, companies like eBay, Reddit, and Instagram all have plans to integrate NFTs, also likely using fiat options that may cause NFTs to further decouple from crypto. But until that happens, the connection between the two markets remains pertinent, and besides, NFTs will always need a blockchain like Ethereum and Solana to function.
