In my understanding of COIN theory as it exists today, there seems to be an underlying assumption that an insurgency can be 'neutralized' by aggressively targeting hearts and minds - i.e. that there's always an opportunity for diplomatic/political engagement. Is this perception accurate? With regards to the Russian Revolution mentioned above, and with 'authoritarian' insurgencies, it seems to me there comes a radicalization tipping point after which political overtures are futile.