This isn't true at all. He is well known for playing and exploring "AI lines" that have been introduced by computers.

Here is the first interview I could find from a 10 second google:

https://www.dw.com/en/world-chess-champion-magnus-carlsen-th...

The money quote:

" My practice at home is with the computer. When I study chess with other people, we always have a chess board. But on my own, it's always at the computer. "