But you still have to file, which is not only a pain, rather expensive. My tax prep bill last year was around 1200 EUR in the Netherlands on top of my Dutch tax prep.
If you have income from multiple sources, some of which may be in the U.S. and some not, even if it's as simple sideline business, then it gets more complicated as you also have to calculate profit/loss for that as if it were in the U.S., then subtract your taxes paid in your country, and demonstrate that it's all below a certain threshold. And there's also payroll tax exemptions, etc.