In the upper circles saying you want someone who can generate wealth would be expected, from a realistic point of view. You can't live that kind of life without being at least somewhat rich, after all, so it's the bottom line. That being said, it still seems kind of rudimentary to mention it like that. It's like someone asking you what kind of car you'd like, and you answer it needs to have four wheels. Although all of the people present do know Mel and some of the hardships she went through, so they probably understand where her statement was coming from.