You see it as dismissive. Low effort reply, like they couldn’t be bothered. It’s not inviting continued conversation so you see it as someone telling you to stop talking to them.
If I were to guess. In your eyes. They might as well have replied with “cool story bro”.
Which is now forever a sarcastic term and no one regardless of what you say, will believe that you actually found their story cool.
The ones with the thin metal band that your hair always get caught in?
I remember the sound being worth the pain. Good looking too.