Well looking in from the outside, it is because British institutions are generally fucking horrible, and sometimes evil?

Britain has a prevailing culture of silencing questions about the higher ups. How else do you think Jimmy Savile quite blatantly ran amok for decades?

I don't mean to bring that man into a football conversation, but he alone is so profoundly instructive about the nature of British institutions, and you'd be naive if you didn't think it transcended to your sports.

You think Italian football is corrupt? At least they're somewhat accountable to eachother after the fact. And yet you could bet your life savings that the corruption in England is comparable to its superior revenue. But you just don't know anything about it because like I said, you're far more inclined to shut up and not upset the higher ups. The corruption in Britain is genuinely wild, you only need to use the City of London as a starting point.