There just a drop in traffic from fab.com
Like KomodoBitGames mentioned, during summer time people usually spend their money on vacation activities.
Only established sellers who have other form of advertised can have a stable sales (like being featured, yt tuto, course etc…).
There also the faq there still lot of people who disliked the ai flop and lack of text reviews when reading on reddit, and they will come back only when text reviews is implemented.
Text Reviews is expected to come next month (hopefully if they do as plan) and things should get better in traffic Early Fall.