I would be willing to bet substantial sums of money that Google tracks metrics for these alternative results and has concluded that they add value to the user. Maybe not to you, but to most people.
Personally, I'm ok with a bit of "oh, this is what I think you meant" rather than a literal interpretation of my query. It's not perfect but neither are my queries.
Personally, I'm ok with a bit of "oh, this is what I think you meant" rather than a literal interpretation of my query. It's not perfect but neither are my queries.