https://www.techdirt.com/articles/20200707/07281944852/supreme-court-makes-debt-collection-robocalling-illegal-again.shtml

While the US government often makes a lot of noise about their efforts to crack down on robocalls, the reality is they never actually do all that much. While the FCC often goes out of its way to advertise "record" fines levied against smaller companies and scammers, the vast, vast majority of those fines are never actually collected. The Pai FCC has claimed to have made great strides fighting the menace, despite the fact that most of its recent and well-hyped countermeasures are neither new nor effective.

One big reason for our failures is that the government often likes to turn a blind eye to the fact that the biggest and most annoying robocallers aren't scammers, but legitimate companies and debt collectors, many of which call customers (that they know can't pay) upwards of dozens of times a day. In testimony a few years back, consumer advocate Margot Freeman Saunders offered a breakdown of which organizations and companies are the most prodigious robocallers: