Useful Text on Category Pages Helps Google
Some useful and topical text on category page is useful as it helps Google to understand them a little better, but make sure that Google can still recognise the page’s intent as a shopping page, not an informational page.
Adding Keywords to a Category Page May be Seen as Keyword Stuffing
Adding arbitrary text to a product listing page on an eCommerce site to include additional keywords won’t help and may trigger Google’s keywords stuffing algorithms.
Keywords Are Still Important Despite Search Engines Focusing More on Intent
It’s still important to include certain keywords or terms on pages to help users understand what a page is about, so keyword research will still play a part in SEO despite search engine algorithms becoming more sophisticated and being able to better understand intent.
Keyword Repetition Doesn’t Help
Repeating the same keywords doesn’t help.