A rubbish review. At the time he wrote 'We', Zamyatin was a member of the Bolshevik Party, and had been since its inception in 1905 (even Trotsky was not so radical, having been a Menshevik).
It is an allegory about the creeping power of capitalism (& colonial imperialism), which regarded labour as a consumable, and had abandoned craftsmanship for the ability to work as an automaton.
The rebellion against authority reflects the growing support from the late nineteenth century through the 1905 revolution against the extreme authoritarianism of the Tsarist state.
Stalin's paranoia about the book would be related to their development of state capitalism in the twenties & thirties, and their general suspicion of radical artists (see Rodchenko, Mayakovsky, Stravinsky, Bulgakov, Pasternak et al).
However, it is a long time since I read it, and the book is not to hand, so I can't remember specifics.