I don't think so. Novels have the power to transport us to different worlds, make us think, and touch our hearts. However, if expectations are too high or the genre isn't a match, one could have that perception.
Sure is! Frieren has a dedicated fan base thanks to its engaging plot and well-developed characters. The manga has attracted a lot of attention in the comic world.
Depends on who you ask. Some might find it overrated because it doesn't offer anything groundbreaking. But for others, it's a beloved Christmas classic that brings back fond memories.