There are too many technical inaccuracies in this to take it serious (or to try and address them all here). Directionally it is fairly accurate, but the author clearly has very little knowledge of surveillance cameras, their capabilities, or even broadly how to identify ALPR vs. traffic control cameras (and similar nuances).
"The Acyclica device casts a fake Wi-Fi network and tracks phones that try to join"
an incorrect start to a bunch of incorrect/outdated info