There’s brain activity involved in watching movies too*. Just because you’re not changing it doesn’t mean that you’re not emotionally and intellectually engaged.
You’re right that gaming as an art form and pastime doesn’t get the respect that it’s due compared to the ones that were already popular when boomers were kids, though…
*even if it’s one that stars Kevin James, Rob Schneider or Adam Sandler in his signature role “Angry Dumb Guy”