Even if a collapsing America doesn’t use it, I would be very concerned about all of it ending up in the hands of whatever successor state(s) and what they might do with it. A major concern of the world with the Soviet Union collapse was the status of the nukes and making sure random warlords and terrorist groups didn’t somehow get ahold of the nukes or fissile materials from the nukes since they likely couldn’t attain the nuke and launch code
You certainly can if you spend any decent amount of time in one game’s directory or stick to streamers in the couple thousand viewers at most. Basically niche games or being a regular to a small streamer mean you can make friends on the platform or at least recognize people.
I’ve been on the platform since 2012ish and have been a part of some great communities there, I also enjoy the massive streams of day Lirik or Summit1G but those I watch if I’m not wanting to talk to others since the chat is 10000 mph