Anyone trying to push their viewpoint is propaganda, yes. Propaganda doesn't mean its wrong, climate activists are propagandists for a good cause, with good information.

Either way, you're comically wrong. Socialist countries like Cuba have far lower wealth disparity, and have better metrics when compared to capitalist peer countries. Cuba in particular has higher life expectancy than the US, even, thanks to comprehensive medical care based on prevention over profit. The socialist system increased life expectancy by a third, and over tripled literacy rates post-revolution. The people overwhelmingly support the system, and correctly blame the US Empire's blockade on them having to pay the highest import fees of any country due to shipping costs, when they could just get goods from Florida without a blockade.

You equate the systemic brutality and plunder of capitalism with the necessary defenses a worker-run system maintains. You claim you're used to capitalist propaganda, which is true, but you parrot it anyways when it comes to Cuba. The Cuban people replaced the fascist slaver colony under Batista with a socialist system run by and for the people. The US Empire was initially on hesitent terms, until Castro implemented land reform, giving the peasants the land the slavers held beforehand and nationalizing businesses. Then, the US Empire launched terrorist attacks like the Bay of Pigs.

When you just parrot claims equating socialist systems with capitalist ones in terms of how they serve the people, you just show ignorance on the subject matter. I urge you to actually read up on Cuba, which has an extremely positive reputation internationally outside of western, imperialist countries trying to turn it back into a sugar colony. Even western media reports on how Fidel Castro is a heroic figure in the global south. Don't pretend the international community all agrees with US Imperial propaganda.