Their fans love him, but they have vastly different expectations to a Real Madrid, for example, where the aim is not just to win, but to win well.
I’m not saying Atletico fans enjoy bad Football, that’s not the case, but they evidently haven’t had the silverware of their cross town rivals so, as you’d expect, they measure their success in other ways.
As the underdog, they relish those kind of gritty performances. And, although very admirable, they certainly aren’t one for the purists. That’s what Simeone has churned out there, very successfully, for the best part of a decade now.