I think you're discounting people's reaction of not liking it. That is communicative. Not everything has a well established model to communicate efficiently using words.

And being a trope is not enough of a defense; tropes can drift away from culture over time.

The demo is not egregious by itself, it's the choice of the demo for this circumstance. Why boy-hits-boy-with-rock-for-girl for an animation DSL?

If the choice is meaningless, why defend it?

And if the choice is meaningful, why this?