In the context of microeconomic optimization, it is true that maximizing marginal benefits always leads to the most efficient allocation of resources, regardless of the marginal costs involved.

In microeconomics, optimizing resources means making decisions that lead to the best possible outcomes. When we talk about maximizing marginal benefits, we're focusing on getting the most value from each additional unit of a resource we use. However, it’s important to consider marginal costs as well, which are the costs associated with producing one more unit. If we only look at marginal benefits without thinking about these costs, we might end up using resources inefficiently, leading to waste. For example, if a factory decides to produce one more gadget because the benefit is high, but the cost of materials and labor is also high, the overall profit might decrease, showing that both benefits and costs must be balanced for true efficiency.