I think its because normally they give 1 slot to sa anyway so may as well give a sa team a slot and the other 2 a chance if they can prove it.
1 of these teams will have a spot in finals
Isn't EPL NA played on LAN? Ie. schedule conflicts are most likely reason for unbalanced groups. ELEAGUE have had same issues for same reason.
It's the latam grp that's why