Indeed. That's one reason I have a problem with "declaring the powers bound" thinking. If there is no repentance, you can rebuke demons all day long and it won't have any effect. Repentance is essential to repair the walls. Yes, we need to stand in the breach as intercessors, but we also need to call people to repentance—and live lives that reflect holiness ourselves!
I like how the CEB translates repentance: change your hearts and minds. Too often in the US Evangelical community, conversion has been nothing more than a change of mind. No change in behavior, just a mental assent to a set of beliefs.
Sorry, but that doesn't cut it. That's selling out the biblical definition for cheap grace, easy believism. I'm with the early Anabaptists here: no change in lifestyle equals no salvation. That's one reason Wesley organized his converts into bands and societies: to keep people accountable and to promote "scriptural holiness throughout the land." We could do a lot worse—and are : (