How effective would this policy be against cashshuffle and cashfusion blacklisting addresses? I'm assuming ineffective

https://finance.yahoo.com/news/u-government-blacklisting-bitcoin-addresses-212554932.html

"The U.S. government is paying close attention to illegal activity associated with Bitcoin and other cryptocurrencies. 

And the government’s “blacklisting” of blockchain addresses associated with digital currencies linked to crimes is sure to escalate, cryptocurrency compliance experts say."