If nothing is declared unchangeable, then the organization will resist all change.
The purpose of a team is not goal attainment but goal alignment.
Product quality has almost nothing to do with defects or their lack.
The pathology of setting a deadline to the earliest articulable date essentially guarantees that the schedule will be missed.
Get the right people. Then no matter what all else you might do wrong after that, the people will save you. That's what management is all about.
Some of the most flowery praise you hear on the subject of teams is only hypocrisy. Managers learn to talk a good game about teams even when they're secretly threatened by the whole concept.