Yes, CEOs are under pressure from all sides, and executives have all sorts of people pushing and pulling at them. But too often, they begin to view and treat their teams, and especially their assistants, as appliances. And a good assistant knows that the last thing their boss wants to hear from them is a personal complaint about anything.
There will always be people who think that money and benefits and even just having a job should be thanks enough. There are also those that think they do a great job without anyone having to thank them. But study after study has shown that no one is immune from the motivating effects of acknowledgement and thanks.
Have you ever heard someone tell a story but felt they are just mouthing the words without being emotionally connected? When you do this, you often create a more negative reaction than if you hadn't told a story at all. That's because others can see that you're just going through the motions.
When you're actually talking over someone, it's as if you're just pontificating and they're not even there. And their body language - they're trying to get away from you. And if you're pontificating at an audience, and there's a break, the non-martyrs in the audience are not going to come back. I mean, they just want to get away from you.