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The primary goal of the design for low physical effort is to ensure that products, environments, and services are usable by individuals with varying levels of physical ability. This principle emphasizes creating designs that minimize the physical effort required to use a product or engage with an environment. By aiming for little to no physical effort, the design supports accessibility for users who may have conditions that limit their strength or dexterity. This approach is particularly important in facilitating inclusivity, as it allows a broader range of individuals, including those with disabilities or elderly users, to engage effectively with the design without unnecessary strain or fatigue.

While considerations of individual customization and aesthetics are important in design, they do not directly address the foundational objective of reducing the physical effort necessary to interact with a product. Therefore, the focus on minimizing physical effort effectively aligns with the goals of accessibility and usability in design principles.