Massive Project xCloud Announcement | Should Google Stadia be Worried?

At XO19 Xbox may some massive announcements about Project xCloud, it's cloud gaming service, right before Google Stadia's official launch date. Xbox has what Google Stadia don't - and that is games and lots of them?
Should Google be concerned, and what about Playstation - as the news affects them as well.

Project xCloud,Xbox,Cloud Gaming,Google Stadia,Microsoft Xbox,Xbox Games Pass,Console Streaming,