They were very lucky to get to major semis. They didn't get too many tough teams in group stages, and then they got Gambit in the quarters who weren't ready in their evolution as a team and made a horrific balls up of the map veto. Astralis wrecked Fnatic in the semis.
Edit: they played G2 (weren't in good form and about to break up the team), North (good team, ok fair enough), Mouz (not good) and EnVy (not good and team was about to break up) in the Swiss group. I was right