If you're not a selfish person, and you get old, assuming you still have your mental health, you'll use the wisdom you accrued to benefit the world; if you are a selfish person, you lack wisdom, and you'll use the knowledge and tricks you acquired to leech the most from the world before you mercifully die.

>Changing age limits is just a bandage on a bigger wound, which is that US society struggles to produce quality leadership. But that's what dominating the world for a generation will do, it makes you soft.

I agree with this, but I'd replace soft with relentlessly selfish. Instead of realizing the need to work together to make something better, they're in it for personal gain.