I too am waiting to really understand where quantum computing can take us. I think it may assist with security, in knowing or not if something was intercepted or “observed”. ...after that I don’t see hard use-cases, just a lot of maybe’s. Even with the use-case here (clustering) they admit it is just a science project that isn’t going to lead to anything in production.
I would like to understand more about how quantum computing works, or is supposed to work, or is hoped to be able to work. What I’ve read so far, for non-quantum-phycists, isn’t very helpful.
The promise of quantum computing strikes me as very similar to that of fusion power - always around the corner.