The cancellations are probably their biggest problem, and it's not even one that's difficult to fix. Instead of green lighting random shows that are meant to go for an undetermined number of seasons and cancelling them when they underperform early on, do what kids cartoon networks have done for decades and green light select shows for a three season run. The showrunners know they have three seasons to resolve their plot, and viewers gain confidence that their shows will actually end and will start watching their new stuff again.