The only other annoyance was how long it took for them to crack down on this practice. FTC nukes “extended warranty” robocallers from orbit – Ars Technica
If you live in the US, you probably got a call—even 911 dispatchers did. That’s because the telemarketers, based in Chicago and Florida, used robodialing systems to call through every phone number in an area code, repeatedly. They didn’t bother targeting people who had recently purchased vehicles; in fact, they did no targeting at all. This was brutal, brute-force stuff, the most obviously illegal telemarketing scheme seen on this scale since the Do Not Call list went into effect.