???
If Lucket was on the show, a tweet from Beyonce telling her fans to support her former band-mate would help boost the ratings. The woman who replaced her in the cast is probably a better actress, but doesn't have the name or drawing power of Lucket.
Empire ran for 6 seasons. Enough episodes to be syndicated. It was a successful show
Latoya Lucket doesn't have the name or drawing power that you think she does breh
Also, just because Beyonce tweets something doesn't mean that her fans will actually listen and consume the product that she's referring to. Celebrities promote shyt all the time that still flops, so a tweet means nothing.
Just face it, the show was DOA and nothing was going to change it. It's not even big of a deal as it's hard to make it on primetime television these days and Morris Chestnut can tell you that.