Assos are just a joke. And like most jokes, I try to laugh at them. Don't take them too seriously.
At the beginning, there were people exploiting assos for the sake of their own team. Now it seems to be the other way round: they disreagard their teams just to win in assos. I just do not understand that. I am currently tanking because of lack of time to play and it's been two seasons I play the same two teams in my league. They've been tanking for at least 3 seasons, they both have 150% average quality, full house of SA. They could easily win trebles, one after the other. But no: they remain there, winning nothing. Looking at their assos, I must say they do not even perform very well in it as none of them is even in platinium. Just meaningless.