I hear that a lot from people, but from my personal experience I find them no more addictive than books or TV. I find most single player games take somewhere in between reading a book and watching season of a TV show, in terms of hours. And just like TV shows and Books, you don't have to consume the whole thing at once.
It's funny because nowadays people talk casually about binge watching TV seasons on Netflix, but if you mention that you played a game for 5 hours straight the same people often roll their eyes.