He's referencing the storming of the Winter Palace and the dissolution of the widely loathed provisional government during the Great October Socialist Revolution. Is Gabe Newell a modern Alexander Kerensky? Will he be defended to the last by a Women's Battalion of Death when the games worker red guards storm Bellevue? The answer, of course, is yes
I only ever think of him in the Hoi4 mod Kaiserreich I used to play a few years ago