It also allows Russia to spin a narrative of the West as terrorists (which they have done), claim themselves as victims (which they have done), and maybe galvan

It also allows Russia to spin a narrative of the West as terrorists (which they have done), claim themselves as victims (which they have done), and maybe galvanize the people domestically that they are trying to mobilize. Not that Putin has ever done a false flag to bolster his own popularity in Russia... oh... wait...