Tactics are lowish level series of predictable circumstances that we can realistically flowchart our way through. For instance, the SmashBot will typically take the strategy of baiting the opponent into a poor move. Strategies are the highest level means that the AI will use to accomplish the overall goal.
Each objective inspects the current game state and decides which lower level objective will be best to achieve it. SmashBot makes decisions on a tiered hierarchy of objectives: Strategies, Tactics, and Chains. It just so happens, however, that a computer is much faster and more reliable than you, so it's able to do things that a human realistically can't. There isn't anything it does that you couldn't do in principle. The long answer is that SmashBot only interfaces with the game by pressing buttons on a virtual controller. It won't work for you and it will just mess up a lot, making both you and SmashBot look bad. It does! To run SmashBot, you can just use your regular Slippi Dolphin install. SmashBot The AI that beats you at Melee FAQ