Why Should I Worry About My Windows Registry?

Ok, let's start with a very bold, yet incontestable statement: If you fail to at least semi-regularly clean and maintain your Windows registry, you are inviting your computer to crash more often, to slow down in its general running and operational capacity, and, ultimately, to crash for good as it finally displays what users refer to as 'the blue screen of death'. There. Is that a good enough shortlist of reasons to persuade you to keep on top of your registry maintenance activities?