In less recent memory we might recall the US "protecting democracy" by providing direct financial, training, operational training, and the occasional assassination to military coups/dictators in Latin America[0].
Allies of the US certainly have it a lot easier but it doesn't mean their leaders communications won't be monitored [1].
China's behaviour is certainly objectionable but as someone that lives in neither country the US has a much more worrying history of foreign interference.
> The administration of President George W. Bush abducted hundreds of "illegal combatants" for U.S. detention, and transported detainees to U.S.-controlled sites as part of an extensive interrogation program that included torture.
> Extraordinary rendition continued under the Obama administration, with targets being interrogated and subsequently taken to the U.S. for trial.
> A June 2006 report estimated that one hundred people had been kidnapped by the CIA on European Union soil