Attempts to integrate financial mechanisms into social networks, such as SocialFi, have largely failed due to a fundamental misunderstanding of media dynamics, according to McLuhan's theory. Social networks, inherently 'cool media,' derive value from user participation and interaction. SocialFi's model, which assigned real-time prices to social interactions, transformed these networks into 'hot media,' leading to their collapse as users shifted focus from engagement to financial speculation. Similarly, the NFT market, initially a 'cool medium' driven by community and cultural consensus, rapidly became a 'hot medium' due to market optimizations like real-time pricing and rarity tools. This shift eroded the community-driven value of collectibles, reducing them to mere financial assets. The failure of both SocialFi and NFTs underscores the importance of preserving the 'cool' nature of social platforms, allowing capital to crystallize only at specific nodes without overwhelming the entire ecosystem.