In October, two builders dominated the production of 88% of Ethereum blocks, causing concerns among experts. This high level of control by a select few raises questions about decentralization and the overall health of the Ethereum network. The concentration of power in the hands of just two entities could potentially lead to issues such as censorship and manipulation. It is crucial for the Ethereum community to address this issue and work towards a more decentralized network to ensure its long-term success.