Come on, it's your bank account numbers, that's only because the US government already knows what your account numbers are.
> I pay almost $1000 per year to an accountant to fill out the forms—more and lengthier than they’d be if I lived in the US—only to prove I owe nothing, since I pay taxes here in the Netherlands.
If I had to pay $1000 to an accountant, I'd probably learn how to do the forms myself.