Your questions are answered in the filing: https://www.scribd.com/document/555427906/22-01-27-Utah-Et-Al-Acb-Iso-Epic-Games-Against-Apple https://www.scribd.co

Your questions are answered in the filing: https://www.scribd.com/document/555427906/22-01-27-Utah-Et-Al-Acb-Iso-Epic-Games-Against-Apple https://www.scribd.com/document/555427906/22-01-27-Utah-Et-A... U.S. antitrust law does not require the existence of a monopoly for a violation, just sufficiently anti-competitive behavior. High market power strengthens an antitrust claim, and iOS being part of a duopoly fits the mold.