Don't Assume Players Are Stupid
Super Metroid is mighty impressive in ways you may not notice, especially if you only played it as a teenager.
Before entering the room containing the destructive Plasma Beam, theres a pile of goo requiring several shots. Samus--well, the player--enters the room, and finds the Plasma Beam waiting for them in the corner. Like almost everything in Super Metroid, once youve acquired the Plasma Beam, thats it--triumphant music, and youre back in the world. Theres no tutorial explaining why its useful, but the moment you leave the room, the pile of goo is back, but with a twist. The first shot from Plasma Beam freezes it, and the second one blows the whole thing up. Voila.
Today, that moment would have several minutes making totally sure players know what the Plasma Beam does.
"Lots of people... [via Giant Bomb]