Look at vega at all the majors they have attended, they looked like shit, barely played any games before the major, suddenly at major they are ready.
G2 has been struggling ever since they made the player changes, they are not hiding anything. Their lineup isn't working and their individual performance is lower than ever.
Vitality vs Tyloo is like 70%-30%, but due to Bo1, new map pool, new players Tyloo can easily take down vitality.
Ence has lost lots of games to T6 teams, (Call it luck or not caring for online tournaments), but if you expect a team to go 2-1 at major, they should easily whoop some t6 teams without even thinking about it.