What do you mean "doesn't adhere to it"? Culture isn't a policy document that you can shove down people's throats and expect compliance. Culture is much more organic than that.
> Complaints from other workers range from the decision they made to isolate themselves in their own building
And there are good reasons for that. Engineering requires focus and discipline and therefore usually has a very different subculture from the rest of the company.
> how they actively engage in bickering and in-fighting between their own teams, how they have extremely limited communication to the rest of the company (users of their products), and reports of sexual harassment and racism.
And what did management do about these issues? Did management shut down the infighting? Is management accessible and responsive to users? Did management fire people who were found guilty of fireable offenses?
> There's zero consistency between the message they're sending. Some engineers believe the team is moving too fast, while a different group believes they're moving too slow. In the exit interviews we had complaints of micromanaging mixed with complaints of lack of management. The new flagship application we're building is extremely simple, but has way too many lines of code compared to all our other (more complex) applications. The development process is indeed slow and full of fail-safes, but there's still an astounding number of bug reports for a simple app.
Why did management hire every engineer who walked in for an interview?
Go find some competent engineering management.