There's no incentive for them to do so. It reduces their ad revenue, while costing more money to host it. That said, if you are a creator and you do want to do

There's no incentive for them to do so. It reduces their ad revenue, while costing more money to host it. That said, if you are a creator and you do want to do it, Peertube is a good option because it uses torrent technology to reduce your hosting costs.