These calls are already illegal. There is a Do not call list. The gov has just been completely inept at enforcement, I don’t think we need extra tax, just enforce the laws we have.
"enforcing the laws we have" isn't enough because spoofing exists and many of the spammers operate across borders.
“ The Cox/Jones/Sumco Panama operation appears to be responsible for making more than eight billion unlawful prerecorded message calls to American consumers since at least 2018. The robocalls include prerecorded marketing messages which encouraged consumers to follow prompts to speak with a “warranty specialist” about extending or reinstating their car warranty.
As announced on July 7, the enforcement bureau issued a notice authorizing all voice service providers to cease carrying any traffic originating from the Cox/Jones/Sumco Panama operation consistent with FCC regulations.
At the same time, the Bureau sent cease-and-desist letters to eight voice service provider to warn them to stop carrying this suspicious traffic. The eight service providers have not responded to the letters and so, as provided in the public notice, the bureau is directing all other carriers to refuse to carry this traffic.”
Basically what the FCC decided to do was ID this org, tell the carriers who sell to this org to stop, and if they don’t stop, require other carriers to lock out the carriers who sell to the spammer.
https://www.mykxlg.com/news/national/fcc-targeting-phone-ser...
At that point, the free market gets to decide if it's cheaper to eat the cost of the call (remember, each subscriber sets the amount of the tax), or secure their infrastructure.