Earlier quoted context omitted.
Oh this is even more terrible than I thought :-/ This means lots of additional reporting work plus 49€ per ETF yearly for tax preparers. US really hates expats.
It's not just the filing, the tax burden is heavy and complicated. You need to opt for one of three regimes, etc. https://accountinginsights.org/how-does-pfic-taxation-work-f... I live in Europe and contemplated writing a tool to analyze ETF holdings and buy the stocks individually with the IBKR API, but it's an expensive and error-prone approach.
I can't believe how badly the US screws their expats, and nothing is done about this, it only gets worse over the years.