I think he's referencing how some of the chips on the boards are unlikely to be US sourced given Librems low volumes, but seem to be consolidated as USA because they were soldered on a PCB in the US.
For example, from Librem's spec sheet at the bottom of that page lists 2 components from STMicroelectronics:
For example, from Librem's spec sheet at the bottom of that page lists 2 components from STMicroelectronics:
Accelerometer (LSM9DS1) Country of Origin is listed as Malta https://www.st.com/en/mems-and-sensors/lsm9ds1.html#sample-b...
GPS (TESEO LIV3) Country of Origin is listed as South Korea https://www.st.com/en/positioning/teseo-liv3f.html#sample-bu...