Earlier quoted context omitted.
> If you think of Google as a search engine, and particularly if you have historical experience with (and expectations of) search engines, this is very frustrating. And the workarounds of clicking the "must contain" link (or surrounding all of your search terms with quotation marks) are a seemingly unnecessary inconvenience. Google really needs to develop a "pro mode" search engine that works for this use case. I get…
"Google really needs to" in the sense that it would be useful, or that it would be a good investment for them? Sure it can afford to do it, but how would it help them make more money?
It keeps the power users on the site so they wont have to look for an alternative. Power users if they find something better might influence no power users to the other site