that is a good question... unfortunetly this is not my speacialty in the questions i answer.. but ill give it a try

... hmm... dumbldor wants to keep hagred out of another acident.. you know where he'll get in trouble
just look at his past
and cornealius fudge ould't want hgred to have his wand back if he thought that dumbledoor was makeing an army agains him i mean realy...
ok thse are my 2 sulutions.... any1 agree with me?