Why are business expenses deductible from income, but someone’s basic living expenses aren’t deductible from personal income?

Question

Why are business expenses deductible from income, but someone’s basic living expenses aren’t deductible from personal income?

In: Economics

Answer 1

The real reason is that businesses are much more effective at lobbying to get tax advantages than individuals. And congress and senate are largely composed of people that benefit from these subsidies.
Everything else on this thread is largely post-hoc justification for “the rich get better treatment”