I wonder if the apps are native or if they're using some cross-platform framework. I would assume Xamarin, but I could also see them using React Native because their desktop app is Electron and React.
If you use the Multi-Account Containers extension, you can set AirBnB to always open in the "Facebook" container so it'd have access to your Facebook cookies.
I think people want to identify with the media they consume and games are different from more passive forms because of player agency. However, if the avatar in the game is supposed to be "you", but it doesn't even begin to look like you, then you don't identify as much.
I, for one, relish a game that doesn't make me play as Johnny Brownhair-Whiteguy, but I have the benefit of being a white male with brown hair. I have the benefit of being catered to by most video games. If I could less often play as someone that looked like me, I think I'd start to feel excluded.
It'd be one thing if the left between a few years of each other, but to only be separated by a few weeks? The proximity of the events cannot be ignored.