The Rise of Skywalker grossed over a billion dollars at the box office. The current crop of TV shows are some of the most popular things on TV. That isn't what I'd call "desertion". Disney can milk Star Wars for years to come.
It wouldn't surprise me if they've already made back their investment. The five Disney Star Wars movies have made over $4 billion gross. That's not accounting for the parks or merchandising.
I don't see any doom and gloom here for Disney. Things are bad for the moviegoing public, sure, but Disney is doing fine.