I loved theming my desktop as a teenager, but now it's definitely not something high on my list of requirements. I think theming is one of those things that ha

I loved theming my desktop as a teenager, but now it's definitely not something high on my list of requirements. I think theming is one of those things that have been dropped because the cost vs. benefit just wasn't there. Theming isn't free. You have to invest resources into adding UI to support customizing it and any new UI you add should follow the themes. When the OS is upgraded and UI is tweaked slightly, you have to consider how to handle existing themes. It all adds extra complexity to your project that you may not want to carry forward long-term.