>>75I'm guessing you didn't even bother with the video.
Tell me this. If you're an entrepreneur with money to invest, but expanding your business won't get you more income because the demand can't keep up, how would you create jobs at all? Wouldn't a rise in consumption of your product or service be what, demanding more infrastructure, would lead you to "create more jobs"?
His point is basically that jobs are created in response to consumers. Even if the jobs do come from rich people in the end, it's only the natural course due to the rise in consumption.