No. No deal Brexit was NOT a manifesto pledge.
But we might face political decisions that we know are presented as harmless but are looking at evidence that suggests that Government Ministers are lying or, at the minimum, are disguising evidence that suggests the citizens Civil Servants are supposed to serve.
Esp so if someone is part of a professional organisation that spells out that to continue or support a course of conduct is a breach of professional standards
So decisions are not black and white.
But an environment that encourages speaking out safely so all can participate it important.