Surely, regardless as to whether he found it difficult to be managed by younger females or not, the crux should be was he coping adequately. Or are we all subject to dismissal simply because we are unhappy with what is imposed on us. Are we obliged to be happy with everything on fear of dismissal ? Should we all be "yes men/women" ?
Comes dangerously close to thought policing, as far as I can tell. Either that, or dangerously close to finding a lame excuse to give someone the push.