I had moments of frustration but I was largely putting up with them, enjoying the demon collecting aspect enough and not really minding the grind too much. However with the
I was in a situation where whichever character was fighting with me decided to use a kind of attack that the boss was strong against, then they got Smirk status and used an all-crit attack wiping out my entire party on the next turn. When it's not only out of my control in terms of luck or whatever but also a character fighting with me actually screws me over, it doesn't get me very excited about the rest of the game.
I actually didn't realize the game had the option to lower difficulty but they hid it pretty obnoxiously. I'm fine with them unlocking the option as a result of dying but I was never going to discover it the way they hid it. The first time I died and had to watch that horrifically long lead-up to even speaking with Charon I vowed to immediately exit and restart the game when I died because it was way faster, and I also didn't want to waste money because [at least with the way I was playing] I didn't come across a whole lot of macca. I saved so frequently that it didn't seem smart to ever pay that toll, which is unfortunate.
If I had known I could unlock an easier difficulty I probably would have done it instead of sending the game back to GameFly, so maybe I'll get the game again later when my game choices die down a bit. Maybe the cutscene isn't even as long on subsequent deaths but the one time was certainly enough for me.