There will be Glee effect. A Harvey effect. A Peter Pan effect. A successful family film effect. A Gary Barlow effect. And so on.
While I get that a lot of people here just won't like the show, and it might not do well, I don't know why anyone would be surprised if it does well.
We can't have every show aimed at a cognoscenti audience - the rest of us wouldn't go and see them often enough...
Why don't you go? Why don't you leave Manderley? He doesn't need you... he's got his memories. He doesn't love you, he wants to be alone again with her. You've nothing to stay for. You've nothing to live for really, have you?