The tricky thing here is whether Twitter is required to have explicit and clear moderation policies that actually determine the decisions they are likely to tak

The tricky thing here is whether Twitter is required to have explicit and clear moderation policies that actually determine the decisions they are likely to take or whether their (constitutionally protected!) right to moderation includes the right to moderate absolutely arbitrarily, and if compelled to publish their policies, then just truthfully state that each decision might be solely determined by the mood of whoever decides that day?