That's true for boxing, not completely for football
I mean sure excessive hedonistic lifestyle will inevitably lead you to failure in any sports but you don't have to completely go out of it if you want to achieve something in football
There are plenty examples of great footballers that didn't exactly have the best reputation off the pitch
On top of that half these stories with him are prolly made up. There was 1 and after that quickly 101. Media definitely milked the most out of it, especially now when there's no football