The FCC is trying. https://www.fcc.gov/document/fcc-issues-robocall-cease-and-desist-letter-twilio https://www.fcc.gov/document/fcc-issues-robocall-cease-and-d.

The FCC is trying. https://www.fcc.gov/document/fcc-issues-robocall-cease-and-desist-letter-twilio https://www.fcc.gov/document/fcc-issues-robocall-cease-and-d... > Failure to comply with the steps outlined in this letter may result in downstream voice service providers blocking all of Twilio’s traffic, permanently.