It says it in the article: So we did some research into how much a great Kickstarter video should cost (i.e. Googled “how much does a kickstarter video cost”). To work with a fantastic production company and get the quality we wanted was going to run somewhere around $15k. This sounded like a lot to spend on a video, but we were pretty sure we’d be able to make back our investment.

It also talks about the company that produced it.