There are search engines and some commercial apps that are taking output from google search and removing the redirects and presenting it to users. Scroogle isn't the only in town for that. I am sure like this other search engines like dogpile that will die soon. So google is taking things seriously and hitting on services which are against their business model. As for google being charity, that's funny, google was known to spend money on useless stuff like - labs, summer of code, random contests, doodles from users and amazon gift certificates for answering their stupid 1 page survey. Sure all that was for their own benefit in one way or the other, but it was no less than charity in marketing sense.
If tomorrow bing takes data out of duckduckgo, expect gabriel to close DDG as well. Big point here is - nobody is trying to see the big picture due to the cost involved and hence leeching out on each other for solution.