The easy answer is fewer because you can count thrones. But if you’re talking about “Game Of Thrones” as a concept, you’d say, for example, “I think your concept for the school dance should be less GOT and more American Grafitti (not really, but fewer parents will complain).”
Here’s a “journaless” who doubles down on being wrong when fewer is what the world screams, begs, and, ultimately whimpers for.
“Men also have less intimate friendships: Only 30% of men reported having a private conversation with a friend during which they shared a personal feeling in the last week … Plus, less men have sought professional help, according to data from Statista. In 2020, more than one-fifth, 22.2%, of women in the United States reported receiving mental health treatment or counseling in the past. Only 11.3% of men said the same.”
According to the article, less men have less intimate relationships. It’s enough to make you want to sic some Westeros dragons on fewer abusers.