What would be the outcome of this? That companies are forced to put advertisement money on a platform they don't want to advertise in? I don't understand the p

What would be the outcome of this? That companies are forced to put advertisement money on a platform they don't want to advertise in? I don't understand the point of this lawsuit, it seems to be kind of a PR move perhaps? Maybe this is all in the context of the presidential elections, to be able to bank on that "us versus them" mentality.