I thought this was similar for all large enterprises. A bank I used to work for referred to it as silos, because anything you wanted to do required climbing you

I thought this was similar for all large enterprises. A bank I used to work for referred to it as silos, because anything you wanted to do required climbing your silo, crossing through a bunch of intermediate silo heads, down the targeted silo, then back again. Repeatedly, until you either finish or give up.