Apparently they are so bad and uncoordinated that NA, EU, and KR teams are no longer scrimming against them.
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SK were destroying most teams in the world until 2018.
They actually won all these A/S tourneys in 2017.
ESL Pro League Season 6 - Finals
BLAST Pro Series: Copenhagen 2017
EPICENTER EPICENTER 2017
ESL One: Cologne 2017
Esports Championship Series Season 3 - Finals (ECS FINALS)
Intel Extreme Masters XII - Sydney
I know they dont exist anymore, but to say that they only were good in 2015-2016 is a lie.