I haven’t tested them for too long.
Yes, I have had a similar experience but it was with lucky emperor BEFORE they joined casino rewards.
But being the cautious one that I am; I tried promoting LE on a limited basis and never saw any money and they are now listed extremely sparingly, as is yuck-on gold which never showed any kind of income either; depsite having been launched in all my best spots.
Brent is still one the best in my book, but some of the CR casinos have not climbed to such distinction in my eyes.