I believe you need three players minimum that are able to solo carry a map in order to win an event, because it ensures that your team can win even if some players are underperforming
Historical examples
OPTIC (Yay, Marved, Crashies)
LOUD (Aspas, Less, Sacy)
FNATIC (Alfajer, Leo, Derke)
EG (Demon1, Boostio, Jawgemo)
2024 examples
SEN (TenZ, Zekken, Johnqt)
GENG (t3xture, Meteor, Karon)
Teams that don’t pass the check
NRG
PRX
LOUD
any others