The question is whether all of those could have been bigger if there was more of an element of surprise. That's the commonly cited reason prequels and origin stories don't do as well. You know Han doesn't die in Solo because it's a prequel. I do argue that everyone knows James Bond isn't going to die in the next movie. Everyone can absolutely predict what what will happen in the majority of movies and there's no legit fear the main character is in any danger. For example, The Rock's Skyscraper movie which is coming out this weekend - is the fact it's not a prequel make the audience actually fear that The Rock's character will be killed during the action scenes. It's a script that could easily have been written by matinees and it utterly predictable. But, there is an attitude by audiences that prequels aren't must see movies or tv.
The fundamental story is also important and that didn't necessarily appeal to a broad audience. That's where I really wonder about the tv shows and what's been set up. Maybe Jon Favreau's show focused on other elements, but the core problem is the New Republic doesn't see the threat and tries a peaceful solution. It's like Game of Thrones where the White Walkers are the First Order, the Resistance is Jon Snow and Mon Mothma is Cersei. The difference is Mon Mothma and the New Republic have a point about demilitarization. The Resistance aren't rebels rising up against an oppressive government, they're rising up because the democratically elected government is choosing non-violence. There is something unsettling about that premise.