Colluding (which is what Ronaldo and XXiF were banned for) violates the tournament rules, not the EULA.
Why was the time difference in these two sets of bans so drastic when both involved cheating? Fortnite pro, Jonathan “Yung Calculator” Weber explained on Twitter, “hacking breaks the EULA and TOS. They also had the chance to compete for the $3M USD prize pool. Here, they qualified two weeks later and netted themselves $50K USD each. This allowed them to go right back to competing in the World Cup. Despite this being the qualifiers for a major competitive tournament, Cook and Mach received only two-week bans. Cook and Mach colluded with other players to gain free kills and boost their point total. After an investigation, Epic discovered that Damion “XXiF” Cook and Ronald “Ronaldo” Mach were cheating in the World Cup Qualifiers. During the discussion, Blevins and Lupo brought up that this wasn't the first time Epic Games caught a professional Fortnite player cheating.
