Free streaming services are having success, and it may be coming at the expense of their paid peers.YouTube and other free ad-supported services, such as The Roku Channel and Fox-owned Tubi, have become increasingly popular over the last two years, according to Nielsen’s viewership data.”For consumers, cost sensitivity is often a more important deciding factor than user experience,” said Brandon Katz, a media analyst at entertainment data provider Greenlight Analytics. “Saving money outweighs the annoyance of terrible insurance commercials.”As…