Russian pilots' "provocations, harassing" US pilots in Syria

One should only be decent enough to remember, that the Russian army was invited to Syria by it's legitimate government of President Bashar Assad, while the US army invaded Syria, after accused it-as the US and the West accuses and accused a number of countries-of "human rights violations" and of "massacring it's own civilians, and therefore it tried to topple the most liberal government Syria ever had and replace it by a fanatic Jihadist regime.