This, most people agreed that it wasn't good years ago after Jailbreak. A lot of people even before then agreed that Steven is a shit main character.
Anyone watching then only kept up with it because of the dying hope that it would get better over time and others who just wanted to see how it ended.
When SU ended people thought it was good simply because of Baxters animating the dance scene but were then quick to realize Space Hitler being beaten via NO U only after I think 2 tv appearances was retarded
SUFuture happened and people were less harsh on it and some even thought the ending for that was good until everyone else were quick to point out that nothing amounted to anything. Steven's arc was him losing his shit and turning into a giant monster that did nothing and was defeated by an actual group hug.
They say SUFuture fixed things but it fucking didn't do shit in any meaningful way