Rockstar GTA 6 launch marketing campaign begins in summer 2026: corroborated (confidence 65)

charlieINTEL Q4 FY26 earnings call summary corroborates the marketing campaign framing on gta6-summer-marketing-beat. Adds a second tier_2 amplification source whose temporal position is post-event (Q4 FY26 earnings call) versus the existing pre-event Push Square Q3 FY26 framing. Verdict moves watching to corroborated; confidence_band stays confirmed_major_press. From watching to corroborated. Confidence 65. Evidence added: 1 new source.