I think it's been several years since I've actually visited duckduckgo.com. Modern browsers make it really easy to set DDG to your default search engine.
People often want to try it for a while before to set it as default. Same happened to me when I changed my default browser. All being said I think a rebranding would make it more competitive.
Yeah but I often use other computers. I often thought about having a shorter name under elinks for instance.