I think it depends on what you're watching. Political stuff can tend to have comments that get pretty snarky whereas lighter entertainment oriented content woul

I think it depends on what you're watching. Political stuff can tend to have comments that get pretty snarky whereas lighter entertainment oriented content would obviously tend to get more "thumbs up" and humorous comments. From there it's probably fair to say that way more younger people watch lighter stuff than oldsters there, and there are probably a lot more younger folks using YouTube than oldsters.