For starters, it takes a while before you can afford the improved equipment. If you avoid completing the various tasks and earning accomplishments, then acquiring the 20,000 points needed for a medium-size reel takes a very long time. Another problem is that even when you buy the better equipment that is required to catch the larger fish, you won't necessarily be catching bigger ones. After upgrading your rods and lines and using the most expensive bait, you might still catch tiny fish or only slightly larger ones--even if you spend the money to go to better locations where better species of fish are expected.
Thankfully, when it comes to actually fishing, the game does a good job of teaching you the basics of both bait and lure fishing, and even warns you when certain rods and reels are not compatible. The Wii Remote acts as your rod, while the Nunchuk is your reel. Grasping the controls shouldn't take long, and the onscreen prompts that appear once you get a bite are extremely helpful. If you have a fishing-rod peripheral handy--such as the one that comes with certain copies of the game--it adds to the fishing experience.
Additionally, the motion controls play an important role in how you fish. Your movements with the controller factor in to how easy or difficult it is to bring in your catch. In situations where you fight with a fish, angling the remote to counter pressure on the line results either in a nice reward or in frustration as your potential haul is lost.
While it can be fun to fight to get that fish, the time spent waiting for something to bite can cause you to quickly lose interest. Catching only smaller fish is one thing, but spending minutes waiting for something to bite takes you out of the experience. The game won't keep your attention, and in most situations, the periods where nothing is happening make you want to stop playing.
Why won't something bite?
When something bites, Fishing Resort can be enjoyable, and the other activities available do offer a welcome change of pace. But those times when you are waiting for something to happen overshadow the adventure. Some may still find a reason to visit Fishing Resort, but be prepared to experience both the highs and lows of a real fishing trip.