In a cut-throat environment, where 10% of people are PIP'ed, it is expected: your senior colleagues are not going to help you, will lead you down a wrong path, etc. That way, the tribal knowledge will be with them, and they can outshine any new employee.
In your interview case, they should have given you hints, even if they want to not hire you later.
In your interview case, they should have given you hints, even if they want to not hire you later.