That is interesting, and a tad worrying
According to the article, the effective range of these personal jammers is 10's of metres, out to 40 metres!?!? One would assume then they are jamming other nearby automotive and other units as well as the unit being intentionally jammed.
The LoS protections on IFR aviation GNSS systems is one thing, but at the end of an IFR approach in the soup
The FCC and FAA must have/are doing something about it?