That is a very simplistic way of looking at inflation. When you consider both okuns law and the Philip’s curve, and the relationship between them anything that changes GDP or unemployment rates will affect inflation. Tech changes, foreign demand on products, government changes, interest rates (the most common lever), pay rates - it all feeds into inflation in some way or another. And yes, government increased money supply is also a big inflation driver.
Calling it a symptoms is like calling dying a symptom of car crashes, when there is a multitude of other ways it happens.