The moment salaried employee start sabotaging his job and putting his views against his job description - it's clearly time for him to reconsider employment at a place that better matches his priorities.
GH employees don't just get a salary but also equity. So in addition to being employees they are, in fact, owners of the company. It seems perfectly fair for a company owner (even a small one) to voice an opinion about how the company operates.
The moment salaried employee start sabotaging his job and putting his views against his job description - it's clearly time for him to reconsider employment at a place that better matches his priorities.
Win-win for all, no struggle needed.