alt Hacker NewsThere is more of it that's going on. For me, Microsoft's SwiftKey keyboard app sabotages the use of a competing search engine (DuckDuckGo) in Firefox in Android for me. When typing a multi-word double-quoted search phrase, it doesn't allow it to be typed correctly.
DuckDuckGo is not a competitor to Bing. It is a sub-brand of Bing for the purpose of market segmentation. While Bing attracts users who install Windows and click on internet, DuckDuckGo attracts users who feel concerned about privacy. It's the same engine under the hood.