Canada

Yes, but it is not 'only' some 'government tech worker' but anyone who exploits the vulnerability. I wrote that already in another thread: In 2024, U.S. officials urged U.S. citizens to use encrypted apps after China hacked into the U.S. ISP's wiretap systems.

As the alert reads,

... we have identified that [China-]affiliated actors have compromised networks at multiple telecommunications companies to enable the theft of customer call records data, the compromise of private communications of a limited number of individuals who are primarily involved in government or political activity, and the copying of certain information that was subject to U.S. law enforcement requests pursuant to court orders. We expect our understanding of these compromises to grow as the investigation continues ...

This opens up the road for a lot of malign actors, at home and from abroad.