It's probably correcting people's typos, as well as saving a crap-ton of money this way (search results are undoubtedly cached).
At the cost of destroying their once in-its-own-league quality.
Today I use DDG mostly, thanks to Googles choices. DDG is equally bad WRT this but
- it is easier to move from DDG to Google (just add !g) than the other way around
- and DDG isn't as invasive
It's not even suggesting both God of War and Lord of War, for me all the results on the first page are about God of War.