They discuss the implementation of a novel approach to enhance the testnet's functionality by introducing specific rules that would automatically invalidate blocks after reaching a predetermined threshold. This could be in the form of either exceeding a certain block height, denoted as "height X," or surpassing a specified median time, referred to as "mediantime exceeds Y." The purpose behind this suggestion is to lend more support and structure to the testnet resetting process, ensuring its alignment with developmental objectives and testing needs. This proposition represents a proactive measure to manage and streamline the testnet's operation, potentially leading to more efficient and targeted testing scenarios within the blockchain development community.