Togliatti died in 1964 and the PCR dropped the Stalinist line in 1958...ok what happened between 1945 and 1958/64? Not only Stalin was long dead but Hungary (and other revolts) and Krushev talk happened...as i pointed out in my post as event that can make the local communist go much more independentAnd how long did it last IRL? The moment Togliatti hit the bucket, the PCI broke off with Moscow (something that many members had already suggested in 1956).
Even the PCF (arguably the most pro-Moscow party in Europe) dropped the Stalinist line in 1958.
Again, the idea of Stalin being able to control all these Comunist Parties is impossible. Moscow has no troops in these territories, and can't invade them.
Unfortunely we are not talking about OTL or ITTL 1958/64 but the here and now and the current leadership is Stalinist and totally devoted to Uncle Joe and ready to litteraly sell their nations in the immediate because they truly truly believe that in the long run will create the communist paradise, frankly there will be easy to call the brotherly soviet troops to help support the people democracy from the reactionary enemy and at this stage, is irrilevant that there is no direct border between the Red Army and other nation...after all who will stop them? The american? Not at the moment (hell they will probably help the red army); the British? How?
Togliatti can be Tito brother's but if Stalin say that he is no more persona grata in the communist world, Palimiro will sell him in a picosecond
Sorry but your entire premise is that the PCI (and the others) were somewhat related to one that we grown up in term of independence and general politics, nope the one that we deal one are all pre Krushev era and so are full high on the Stalinist kool aid and even people like Longo are in serious danger