I think that is what they were trying to address with the latest update, but it didn't work so well.
It's really fun at first because there's so much new stuff to do and you advance quickly. But once you get up in the levels, the game makers need to make it harder for you to get new stuff, so it's harder to level up and buy new things. Problem is, there's so much downtime between levels and your ability to buy new stuff, that the game actually becomes boring. They were trying to fix it with the trees and berry bushes, but those are even more boring because they take longer than the crops. And the mine and the dock are just as bad. That stuff takes forever.
It's classic level-grinding. Except there isn't really an end to it, like fighting a big boss at the end or saving the world.
Well, I suppose at the end of this you get to make some jam. It better be some really good jam.