Silent_Buddha
Legend
For instance, I'm playing DQ XI (almost done) and it's a very good game, but it really didn't need to be 60 hours long. They added a ridiculous amount of filler to pad the game IMO for retail release.
Haven't played DQ XI, so don't take this as necessarily addressing DQ XI.
However, for JRPGs, quite often fan service is mistaken for filler. So, for example, in FFXIV which I do have a lot of experience with there is an absolute metric ton of stuff that I've seen some refer to filler. However, almost all of it is directly tied to fan service targeted at people that played any of the previously released Final Fantasy game. You see this a lot in even the single player FF games.
I'm fairly certain they also do that in the DQ games as they have a long history as well many players who have played many of the previous entries in the series. That said, not having played them myself, I couldn't begin to speculate on how much is filler and how much is fan service (which for people who didn't play all of the previous games would come across as filler).
Even something as simple as "kill X number of rats" or other creatures is a bit of fan service to people who have played RPGs in the past. It's also filler in that case because it has no meaningful fan service other than as a nod to previous RPGs having kill X creatures quests.
Regards,
SB