There definitely are silos. Think of the most left wing progressive activist college student and how they treat the people around them and that is the expectation of this silo of the fediverse. The only other silo I know of is neonazi so we aren’t spoiled for choice. But to be fair Kiwifarms is filled with unrepentant psychopaths that revel at the suffering of all those around them and frequently engage in the psychological torture of anyone they can and the person you are referring to is no exception. Honestly if they behaved the same way in the neo nazi section of the fediverse, they would probably get banned too. That is how horrid their behavior is.