Recently, the most discussed topic in the Ethereum community has undoubtedly been Vitalik Buterin's public reflection on the scalability roadmap.
It can be said that Vitalik's attitude is quite "sharp," openly stating that as Ethereum's mainnet (L1) scalability improves, the roadmap established five years ago, which regarded L2 as the primary scaling solution, has become invalid.
This statement was initially interpreted by the market as a pessimistic view or even a rejection of L2 solutions. However, a careful analysis of Vitalik's core points, combined with the series of mainnet scalability progress, decentralization assessment frameworks, and recent technical discussions around Native/Based Rollups, reveals that Vitalik is not entirely dismissing the value of L2 solutions. Instead, he leans more towards a "corrective" approach:
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