I don't see how we can turn down signing Hayward (unless DA has some big trade in the works). This is pretty much the last year we have relevant cap space. Once we extend IT, all that cap goes kaput. At least from a max player perspective.
As for KO, Rozier, Amir, Bradley, and the like...I get that they're fan favorites but at the end of the day, these are role players. Highly productive ones (particularly Bradley), but ones that you can't build your team around. This C's team still needs a core, and a bunch of productive role players like Bradley and Crowder aren't getting it done.