Net income is the same thing as profit. The parent comment confused income with revenue. Taxing revenue is obviously a terrible idea because it would have a disproportionate impact on low-margin business.
As an individual taxpayer you can deduct certain expenses from your revenue when calculating your taxable income, just like a business. But businesses do generally have a broader set of deductible expenses.
As an individual taxpayer you can deduct certain expenses from your revenue when calculating your taxable income, just like a business. But businesses do generally have a broader set of deductible expenses.