Is this correct though? How many times have England reached the knockout part and how many times have you met Germany? Given Germany regularly get to the latter stages the chance of meeting them will increase with every round you reach.
But the whole point of seeding is to try and steer an otherwise random selection in a particular direction. As has been pointed out England did it in 1966 to ensure all/most games would be played at Wembley. France tried to engineer a “dream” final and other times it’s used to control the spread...