Laws of UX · Speed and effort
Occam's Razor
Among competing hypotheses that predict equally well, the one with the fewest assumptions should be selected.
The design-system take
Where the principle shows up in a token, component or pattern decision.
The same applies to UI: the simplest interface that satisfies the requirement is the one to ship. Every element that can be removed without losing function is complexity refunded.
Adapted from Occam's Razor on Laws of UX — Jon Yablonski.