Blame the IRS. Investments are UNearned income. Income from working is earned and this subject to SE tax.
See this site, <a rel="nofollow" target="_blank" href="
https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/earned-income">https://w...>
Turbotax has to follow the IRS language even if the IRS language is not intuitive to non-experts.
