A nice idea, but 25% of shares in Arsenal is a figure in the hundreds of millions of pounds, so they'd better have some rich supporters.
Short of a mass act of synchronised philanthropy by all the owners of all the clubs in the top leagues of English football, there's no way we can get to the kind of system they have in Germany.
When you say this has to be the future, you wish it would be the future, it should be the future, but without the option of going back and changing the past, there's just no realistic way that your future happens. Sad, I know...