We don't have an attic, but there was some leftover floor laminate (which we used to fix bent planks due to dog accidents) and shower tiles in there. Always good to buy a bit extra for breakage and repairs.
Possibly, that page has only been around since March according to the internet archive. The domain has been around since 2020 though, predating chatgpt.
That said, it's a generic company website, the owners and their website building company will put a lot of general information and padded fluff on sites like this to try and increase SEO.
https://alsyedconstruction.com/what-is-attic-stock-in-constr...