If needed, the value can be read from the verified contract source code. Savings are due to the compiler not having to create non-payable getter functions for deployment calldata, and not adding another entry to the method ID table
https://github.com/code-423n4/2022-05-factorydao/blob/e22a562c01c533b8765229387894cc0cb9bed116/contracts/MerkleResistor.sol#L59
