No. Their "here's also this unofficial repository of builds completely maintained by random community users... USE AT YOUR OWN RISK - You have been warned!" ArchUserRepository got the least used (often long abandoned) packages hijacked by some bad actors.
But "Less than 1% of the least used packages in the unofficial repository you were explicitly warned about got hijacked by people trying to infect oyur PC" would not have been an interesting headline gathering attention.
Petitions are useless
Protests are useless
Governments and corporations conspire to implement surveilance knowing what comes next
<-- we are here
Actual resistence