The problem Steam's "Overwhelmingly Positive" badge is an all-time average. It can stay green for weeks after a patch, a pricing change, or a broken launch actually tanks a game's rating. Most devs find out from an angry tweet or a Reddit thread, not from Steam itself.
Source: [Dev.to](https://dev.to/_6d01b2eaf1075c95aafb5/i-built-a-tool-that-catches-an-active-steam-rating-decline-before-it-snowballs-and-tells-you-why-4mdp)