Solana and Cardano are opening up the door to compete with Ethereum in the world of NFTs. Network congestion and high gas fees turn investors and creators away from the NFT space. A solution is to use other blockchains.
Imagine a highway. There is a lot of traffic that can go through the highway, but there is a max limit before traffic is jammed. What Solana and Cardano offer is another highway to offload traffic onto and keep congestion to a minimum and keep the entire space healthy and flowing.