Theres no forward momentum. That is the problem

S1 was an origin story, which are always fun.

S2 was during covid, so got a pass

S3 is just... a random series of events strung together with a few laughs.

I suspect, since they come from the IASIF mind-set, of having dozens of seasons, that the goal is just to string it out as long as possible and take that sweet Apple+ money.