Ethereum is like a digital refinery that is under expansion. Engineer Vitalik leads the team to expand the oil pipeline (Layer 2) from 4 lanes to 16 lanes, but faces doubts: "Why aren't the tankers (users) full yet?" Until one day, cross-border traders (institutions) suddenly rush in: "We need the fastest and cheapest oil route!" — The value of infrastructure is often re-evaluated only when demand surges.
