Uh no, actually for him to NOT write what he did would make him a dick. So what he wrote is really the only thing he could have said without coming across and conceited and arrogant.
The world needs more business leaders with that kind of humble, thoughtful, and down-to-earth attitude and approach.
Compare PayPal's typically corporate cult of ego statement: "Under David's leadership..."
To be honest, I do wish such CEOs was more common.