That's a real issue. It's not just a monopoly in a competitive sense but also a monopoly on 'public squares'. Which is effectively against free speech.
When a company or moderator has the power to ban you from a public space your are ostracized by a non-democratic panel, with unknown agendas.
When a company or moderator has the power to ban you from a public space your are ostracized by a non-democratic panel, with unknown agendas.