The first sentence on SteamDB is:

> This third-party website gives you better insight into the Steam platform and everything in its database.

It clearly states that it's not affiliated with Steam and is a separate organization. There's also a further disclaimer in the footer of the page.

In contrast, the "Waffle House Index" had the Waffle House logo at the top of the page, with zero explanation or elaboration on who created the website.