There's a definite hint in that article that he also feels unfairly picked on. 
Without wishing to appear to defend Grayson's position, unlike Cook, it isn't his poor batting performances and captaincy that are in question. In fact his only real fault is a failure to resign due to poor club management.
Although even if he did resign in protest at the aforementioned, what would change apart from the club club simply appointing another Hilliard lap dog.