Earlier quoted context omitted.
Ah! So step 2 is wait for the spammers to automate blacklisting of Daisy phone numbers, and only then start rolling out a (paid) Daisy option to customers. Not connecting calls doesn't waste spammer money, but maybe Daisy does. If the big telco can find 10 righteous callers from a a bad actor telecom, they should keep routing the calls.
My friend works for a big telco and is the guy fixing this problem for them. They have amazing powers of deception when they need it. New numbers can be conjured up at any time.
Voicemail that is left in this generic voice mail box never makes it to their customer and the customer is completely unaware that some of their calls have been diverted.