We have evidence of the US messing with nist standards
What... You realize that NIST is literally a government agency? It's part of the United States Department of Commerce. It's literally the US government. Are you saying that the government is messing with itself? What does that even mean?
Uniforms are tax deductible... The point of it being a uniform is that you distinctly wear it for work purposes. This is well known. Not sure why you're acting like a twat about it. https://turbotax.intuit.com/tax-tips/jobs-and-career/how-to-use-work-clothes-as-a-tax-deduction/L59P1ocW1