Perhaps its not the bricks but the overhead and branding.
The Saginaw Fusiliers may have had a full Battalion strength in the last war, but we are commiting time, money, and effort for them to parade at a Platoon minus strength.
Consolidate, amalgamate, combine heritage, and make our reserve system make sense to administer. The buildings mean less when your regiment is "new".
I'm a Signals Officer and I still am appalled at the state of Vimy Barracks and feel the bulk of it needs to be torn down to it's foundations and rebuilt from scratch. Instead, either by funding or nostalgia, we train LEO Satellite theory in a former horse stable.