Yeah, the videos are great, and I fully agree that luck is a factor. The question though, is what to do about it?
And the thing is, despite luck, despite the amount that individuality plays or doesn't play, you still need to motivate people to work hard and achieve. You need a rewards-based system.
Life isn't fair.
But let's also keep something else in mind. Despite the factors that those videos discuss, hard work and talent DO affect results, It isn't entirely luck. So again, rewards , in order to motivate, are important.