People are going to point out flaws or loopholes they know about that would be even easier, but they’re missing the point: it was not possible for someone genuinely in the process of launching a product to find out.
My side business was a small tool which was just a 3d printed case with an ESP32 I programmed w/ some small electronics and I sold it as is online. US + local government made sure there was zero friction even down to dealing with USPS shipping pickup issues. If I was still in Germany they would have shut me down and fined me personally for even trying.
It is crazy that the best business plan for a European starts at buying a plane ticket to America.