Not for some thumbnails, no. Just this morning I got a random vagina as a thumbnail on a news article because something went wrong.

Someone in the comments has a screenshot, if you want to avoid looking at it: https://kbin.social/m/technology@lemmy.world/t/354342/Oil-companies-are-hiring-TikTok-influencers-to-court-young-people#entry-comment-1711599