From past experiences (and I'm sure I'm not alone here), I can almost guarantee that the senior devs did communicate the problems, but they were ignored or brushed aside.
Very seldomly does middle/upper management truly listens to engineers, unless there's buy-in from the CTO/VP to champion the ideas and complaints.
Very seldomly does middle/upper management truly listens to engineers, unless there's buy-in from the CTO/VP to champion the ideas and complaints.