Problem: We need people to watch our TV news program so that we can entice advertisers to pay for ads. Solution: Offer things people are interested in watching

Problem: We need people to watch our TV news program so that we can entice advertisers to pay for ads. Solution: Offer things people are interested in watching, like sports. Basically enough people like watching sports news that it is worthwhile for news programs to offer coverage, so that they get more viewers and can command higher prices for commercial ads. It's as simple as that.