You're right, prices are determined by supply and demand but that's exactly what this article is about. Ethereum has always had demand (due to the growing ecos

You're right, prices are determined by supply and demand but that's exactly what this article is about. Ethereum has always had demand (due to the growing ecosystem of DeFi, NFT, etc) but the supply was arbitrary. What's coming with EIP-1559 fixes this by directly linking the supply (or rather burning of tokens) to the demand of the network.