Can someone explain if "like a graviton" is a stretch? I keep hearing about these supposedly groundbreaking discoveries that turn out to be something completely

Can someone explain if "like a graviton" is a stretch? I keep hearing about these supposedly groundbreaking discoveries that turn out to be something completely different, like a simulacrum taking place in a fabricated environment. As i understand this is just an experiment in a semiconductor that's made an interesting quasi particle. Why do they say, "like a graviton"?