Evan ProdromouAbout 17% of respondents here said Yes. That's much lower. I have a couple of guesses why: first, a lot of commenters didn't seem to consider features like a game profile, friends list, or the activity feed "social features".
Evan ProdromouOthers were quick to say that they only use social features with real friends and family. I'm not sure why that would be a "but..."; it's the whole point of those features.
Evan ProdromouFinally, I think Fediverse users are generally more protective of their privacy than the general population.
Evan ProdromouAnyway, my answer: yes. I have a profile on XBox, Switch, and Google Play Games. I connect with friends on all the platforms. I share achievements and activities and screenshots and sometimes chat.
Evan ProdromouIn my book "ActivityPub: Programming for the Social Web", I talk about federating gaming platforms. I think you should be able to connect to an account on Steam from your XBox (or Mastodon) account. Add them to your friends list, and follow their activities.