why do you even ask this, that depends on taste you think it's stupid there are plenty of people who don't think that.
besides that you haven't given any episode numbers so i don't know at what point you are in the series.
The stupid episodes are the fillers arc but the main story is interesting...
however you have to consider that there are people who DO like the filler episodes (other wise Tite Kubo wouldn't make them).
note: 1- the fillers are not made by Tite Kubo. 2- the fillers are made so the anime can't catch up with the manga.