She is not a gamer. Others have shown that she doesn't record her own footage either, she is mostly using youtube videos. Which explains why she gets so many things wrong about many of the games she criticizes.
Would you say she's stealing valor from the thousands of gamers out there putting their lives on the line every day to defend our freedom... To game?
Slightly more seriously, what evidence would convince you otherwise? How does one earn the True Gamer Cred that's apparently so necessary to criticize the medium?