Earlier quoted context omitted.
> Do not volunteer information. Well, I guess where you worked was either stack ranked or a generally oppressive atmosphere smothered in politics. Work should be a collaborative effort, even from the greedy billionaire perspective you hire 2 people to do twice the work. If you end up being 25% efficient something is wrong. And this is a sort of odd angle to begin with: your work isn't private to the manager stack. So…
That all sounds and feels nice but is divorced from reality. It is admirable to want to improve working conditions but you should consider the effect on your peers when you take that stand.
Everyone's experience is different, I guess. But I assure you there are places where co-workers are fine focusing on work and not making specifically you miserable.