Earlier quoted context omitted.
It's not "old man yells" - your observation is very on point, a lot of people are simply lonely for one reason or other and I think that this kind of videos or livestreams serve as substitute for real person. There are many popular services where it manifests: twitch, youtube, vtube, OF, etc. And of course it's not only teenagers who are feeling lonely and isolated and of course answer is not simple "just have friend…
To the 4 questions: 1. Go outside 2. Go outside 3. Go outside 4. No. Go outside. It sounds dumb, but really. I'm an introvert, I have social anxiety, I've had periods where I don't see another human face for months. On the other hand I've made good friends just from random strangers talking to me in public. Even the most socially inept can make friends. It's just a matter of placing yourself in the physical vicinity…
This is a lot of people's experience... and a whole lot of us really, really, really regret it years later. Alcohol is an incredibly dangerous and insidious tool to use for social anxiety. It works great at first, so you ignore the negative effects. But over time, it makes everything worse.
Drinking alcohol decreases anxiety initially, but over time causes the body to raise base anxiety levels. It also lowers testosterone, messes with the lining of the gut and gut microbiome (which can also increase anxiety and negatively impact mood due to the strong gut-brain axis of emotional regulation and signaling) and negatively impacts numerous other parts of the body.
My education around "alcohol is bad" was either warnings about bad behavior while inebriated or vague intangible health risks in the distant future, both of which were easy to ignore. Sharing because I wish someone had informed me that the drink in my 20s to temporarily blunt social anxiety would make my life so much worse by my 30s.