No argument there. I was just stating a reason why gif-heavy site operators are reluctant to switch to video. It's chicken and the egg. They won't switch becaus

No argument there. I was just stating a reason why gif-heavy site operators are reluctant to switch to video. It's chicken and the egg. They won't switch because video is not as optimised yet, the browser vendor has no reason to optimise video further because sites usually don't have that many embedded videos.