it feels like if that statement were true, they could have come up with some reason why it mattered, or something better than a platitude.

it reads as "we want to tell you that what you made with sora mattered, but we all know it didn't".

It mattered in the sense that it provided valuable grist for the mill as they attempted to figure out if it could work as a Reels/TikTok alternative for companies to eventually deluge with ads.