Look at what happens in the real world when England play the way you say, the score a goal and then sit and try to defend on the 18 yard line and the other side score goals against the UK while they are defending so deep, that is what has happened over the last few years and is still happening just look at the Sweden game.
How do you win a game of football without scoring goals?
Just as an aside what is the penalty box in metric I have a feeling I could get an on-the-spot fine for calling is the 18 yard box as we are metric and European
Defenders need to defend it is their job (but it isn’t as important as scoring goals) but they also need to score goals so it is important that they can score goals as goals win games.
Not hard to understand surely?
If England had had some really good results against world class teams I'd agree with you, but they haven't so I don't