Still waiting for a practical reason to use this tech, given the high cost, lack of experience, and relatively accessible conventional storage devices.

Sure, there aren't many practical uses right now given the cost besides some niche ideas, but...

1. High cost and lack of experience are not reasons to not work on the technology. For example, quantum holography or other experimental storage ideas are also extremely expensive. Doesn't mean we shouldn't push research in the area.

2. We are reaching limits on how effectively we can continue to increase densities on conventional storage. It might not be this decade, but it's coming. This is why people are working on many different experimental technologies.