The accessibility of these tactics, barring significant changes to Facebook’s model, is inevitably going to lead to private entities copycatting the strategies

The accessibility of these tactics, barring significant changes to Facebook’s model, is inevitably going to lead to private entities copycatting the strategies proven out recently by nation states. Expect to see more of this occurring as regional powers exert influence over neighbors and domestic players do so for internal gain (as documented in the OP). Political subversion at scale and for hire.