You can fix that! Get a BladeRF, HackRF, LimeSDR, and you can transmit your own GPS signals:

https://github.com/osqzss/gps-sdr-sim

(Seriously: Don't do this unless you're taking extreme care not to radiate outside your lab.)

I believe he meant that USB 3 devices were effectively jamming GPS receivers.

Yeah, it receives things.