That's only because of naming cadence. If they really cared they could come up with something. There's countless clones and proxy sites with closer and shorter

That's only because of naming cadence. If they really cared they could come up with something. There's countless clones and proxy sites with closer and shorter names but they don't have large audiences because having a 4 (cuil) versus a 10 letter domain (duckdudckgo) doesn't actually matter - only what you put there.