This is an extremely dangerous precedent.
By recognising this illegal annexation, it gives Putin more leverage over his illegal annexation of Crimea, and any other country that wants to do an illegal land grab.
Facebook needs much tighter regulation. This is one conniving, secretive company.
In some countries e.g. Turkey, moderators are instructed to restrict some material antipathetic to the government – with Erdogan’s, this is for example cartoons of the dictator, photos of anti-government protests etc.
So Facebook is actively assisting some undemocratic regimes to remain in power.
Narcissistic personality disorder. Pretty much sums up the present incumbent in the White House.
Needed to keep Putin in check given his proclivity to enact local land grabs.