They wrote a fun reply to that where they go over what car thieves actually use (not a flipper zero) and how to hack the sort of radio systems that the flipper zero can handle with wire cut from a pair of earbuds: https://blog.flipper.net/response-to-canadian-government/
I glossed right over that lol. A tldr is that they somehow managed to acquire the phone cracking device the pigs use and they poked around and found out that it's riddled with vulnerabilities.