Plot hole: Instead of going to the SS Anne, you can have a Pokemon with Cut traded to you. This makes no sense, you skip a part of the game by doing this. Also, if you advance in the game and then return to the SS Anne, Gary will appear there with weaker Pokemon than the ones he already has. Makes sense? No.
Suggested correction: You can't trade Pokemon with HM moves.
That only applies to later games.
Other mistake: If you don't have the Silph Scope, you'll run into GHOSTs at the Pokemon Tower. However, in the middle of the battle, if you see any of your Pokemon's stats, and then return to the battle, the GHOST will be gone and you'll be able to see the real Pokemon behind it.
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