If the application of an idea is both in-line with its definition and shown to be inconsistent in foundation or correctness then the idea is either wrong, not sufficiently defined, or both. In lieu of a redefinition, it can be presumed wrong.
These are the natural shocks that test hypothesis and theory.
That’s moving the goal posts and completely irrelevant; of course it’s case-by-case when it comes to what constitutes a ‘uniform’, or else no clothes would be considered non-deductible as anything could be a part of a uniform.