Writer and game designer Artur Ganszyniec explained that the combat system in the first Witcher was designed to resemble a rhythm game at the creative director's request. He wanted the game to be played with one hand while holding a beer in the other.
It turns out that the first Witcher was designed so that you could drink beer while playing.
This was revealed by the game's lead writer, Artur Ganszyniec. According to him, creative director Michal Kicinski wanted the game to be very casual, so that you could play it with one hand while drinking beer with the other.