I don't know if that's it.

I think they never wanted him to be a part of their game, that's why as soon as he won, she took her ball and went home (for the night).

For as much as they might think inheriting wealth may be less than an honorable way to get rich, they KNOW that grifting for wealth is even worse.

If you asked me would I rather be rich because of my family's hard work, or connections/bribes I made in government work... I know what I would say.