Apparently they are so bad and uncoordinated that NA, EU, and KR teams are no longer scrimming against them.
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.