Mozilla on Windows allows Google to be the default search engine. On Mint 17 Google is not even available to be set. I believe this is coming from the Mint programmers, not from Mozilla.
This is an under-belt hit from Mint. Mint tried FORCING the community to their WILL.
The main issue is ethical. WHO KNOWS WHAT ELSE SUCH UNETHICAL PEOPLE ARE DOING that we don't know about.
The saying says "Your security holes are the people you trust". In this case, Mint programmers. I don't trust them, I removed Mint.
The plugin worked though.