Robo-advisors and target-date funds blindly allocate international holdings that create unintended PFIC and filing obligations

Popular robo-advisors (Betterment, Wealthfront) and target-date retirement funds automatically allocate 30-40% of a portfolio to international equities, typically through US-domiciled ETFs like VEA or VXUS. While these are not PFICs (they're US-domiciled), some robo-advisors and 401(k) plans also include foreign-domiciled funds. More critically, these platforms never ask about the investor's citizenship or tax residency status, so they don't warn about the interaction between international holdings and the investor's own foreign tax obligations. So what? An immigrant invested through Betterment might hold VEA (developed international markets) while also paying taxes in their home country on worldwide income, creating overlapping tax exposure that neither Betterment nor their home-country tax advisor is tracking. So what? The foreign tax withholding embedded in international ETFs (typically 10-15% of dividends withheld by foreign governments) generates Foreign Tax Credit eligibility that most immigrants don't claim because they don't even know it exists inside the ETF. So what? This unclaimed credit costs immigrants $200-800 per year in overpaid taxes on a $100,000 portfolio. So what? Over 10+ years, the cumulative loss of $2,000-8,000 in unclaimed credits plus the compliance cost of properly filing Form 1116 means immigrants would have been better off with a simpler US-only allocation. So what? The entire 'set it and forget it' promise of robo-advisors breaks down for non-US-born investors, who need customized allocations that no mainstream platform offers. The problem persists because robo-advisors are built for the median US-born investor. Adding citizenship and tax residency questions would complicate onboarding and reduce conversion rates. These platforms have no legal obligation to optimize for cross-border tax situations, and the SEC does not require disclosure of foreign tax credit implications in fund prospectuses aimed at retail investors.