The US has done a lot of unsavory things. But this comment is just disingenuous.
For example, discounting Ukraines unwillingness to simply accept foreign rule by the country that brought them Holodomor as purely based on American propaganda and arms sales is either delusional or Russian propaganda.
Then please explain why Victoria Nuland was giving out cookies in Maidan Square in 2014? #NoForeignInterference
The weapons are sent on the basis that more expensive the PRC anticipates an invasion of of Taiwan to be, the less likely it is to invade.