Back in the Satellite era, her main flaw was a need to prove herself which lead to her over compensating herself and resulted in a brief power loss. It also sometimes lead to her not being able to see her strengths.
I think it's just the consolation prize. JJ couldn't get the JLD project made in time and Zaslav is looking to cut costs so instead of doing the work of making a new show they just choose to make a sequel to Keanu's Constantine.
Her wealth was also brought up in her own ongoing. Zach learns that she gets paid millions and Zee explains that she has to pay her crew, set designs and for the animals she has to take care as well.