Especially since this is just starting, it probably makes sense to use understanding of the product description

> We rent out KVM virtual machines with dedicated 8-TB hard drives. There is no sharing/over-committing.

as a gate. If you don't know what to do with that description, you are probably not a good initial customer.

They look like they’re trying to target the raw storage price floor. In such a market support costs could eat them alive.

As a market hypothesis, there are many folks hosting their own media/storage servers for various purposes. Often these servers run zfs and they can’t. Be oushed to the cloud due to inefficient pricing for TB scale, low frequency, low concurrency, moderate latency storage solutions.

Offering raw drives in zfs configs could crack this market, if customers buy into the raw drive solution then they can work on simplifying the solution and educating their audience.