Search Encrypt itself is a privacy-friendly search engine that uses local encryption to make sure that your searches are secure, so they have a strong, well-established interest in online privacy. They are correct about the functionalities of Winston that they highlight, noting that Winston is a hardware device with a software component, and that Winston is built on a distributed private network. In addition, Winston strips out the code that does the tracking, which a VPN does not do. Winston also blocks ads.
You can read the full Search Encrypt list of 50+ suggestions here.