Yes, it is
Also, we do many things to make books accessible including braille and audio formats
If you beat the game on hard, and I beat the game on easy. You can still brag
But if difficulty levels are present, at least we can both beat the game. We can both enjoy the game.
Games are supposed to be about FUN. Difficulty levels are there to allow people to determine what FUN IS TO THEM
Let's try to remember games are for everyone
YOUR enjoyment of a single player game is not affected by how another person chooses to experience that same videogame.