Even their user experience for being subscribed to channels is pretty bad. I am subscribed to a dozen or so channels. The counts on the sidebar for the number

Even their user experience for being subscribed to channels is pretty bad. I am subscribed to a dozen or so channels. The counts on the sidebar for the number of videos that I "haven't watched" is always incorrect. So is the total number of videos that I have subscribed to and not watched. Clicking on one of your subscribed channels brings to you the channel homepage, but instead of listing new content you haven't seen yet, you see popular content you've seen already. The only page that seems to be useful and accurate is the subscription list itself, but this isn't prominent or obvious. I also often get e-mail notifications for newly released videos which I have already watched some hours before the e-mail was sent. Also, I'd love the ability to pay to remove ads on a channel. The ad revenue for one user watching a given channel has to be trivial, especially for original, instructional content which is what I primarily watch. I bet paying $1 to remove ads on a channel for a year would produce better revenue for YouTube and content producers alike.