About CUP! Help me to understand the logic.

[Mcxpcdx]

Someone says, to win the cup or achieve a good position is impossible until level 12-15 etc.
And the other says it is just a waste of time, rivals are easy etc.
But i wonder if i am the unlucky one or there is something i dont understand.

This season i was eliminated by a 19 level guy (120 Q) in play offs - My team's Quality is 63 and 65+ is scout in my level.
The previous season, 90 Quality guy eliminated me.
Before that.. it goes on like that.

But I see that a 6 level manager won 2 or 3 CUP's and i wonder how can it be possible?