The context is that corporate entity A is usually no more "pure" than corporate entity B in another country. When at the end of the day, they're corporate entities that will do whatever in service of their profits, interests, or goals. What is allowed to be seen or promoted, including not seen, can be what aligns to their interests and profits.

What users or readers might perceive as popular or best, may not be, because of manipulation. Most would have no idea of the situation, unless stumbling upon it or exposed, and many could care less even if aware. If they make too much of a direct fuss about it, their account or even the person might cease functioning. Users will not usually even know the totality of what's banned, vice versa, nor know what's promoted by hand or via algorithm.