it's a link to a thread of many posts in the Stadia community forum. all of them echoing that they, too, lost their save game data in the game mentioned in the title. some folks said they lost 700+ hours of gameplay.

an (employee?) replied and said it's been escalated.

Plus it's been marked as "Solved" with no update after the "we have escalated..." comment in ~2 days

Let's try to be optimistic: maybe everyone affected simply got their saved games back, so everyone is happy now and no further comments are needed?

Yeah unfortunately there are a few people on the thread complaining that the issue persists despite being marked "Solved"

ah yes. that, too.