This is one of the most important improvements in all of AI, because it benefits most AI users by giving them access to more, faster, for the same hardware with little to no tradeoffs.
Anyone who is doing anything important or at scale would be at least renting those, or even using an abstracted service that is on top of another service.
Those cost savings allow people to train things for cheaper, causing those cost savings to benefit almost everyone doing important stuff in the space.