In general, it seems VATSIM is more focused on IFR and people flying routes in airliners from Point A to Point B using various navigation waypoints.
That said, I still wanted to try it out and was really nervous. I watched a bunch of YouTube videos, got everything setup, loaded up on a ramp KBOS with VATSIM coverage in my trusty Cessna 152 and sat there listening to the ridiculous amount of radio traffic. It was pretty awesome.
Finally, I got the courage to make my first radio call and it was insanely nerve-racking! (I recorded a video of my first call, happens at 1:55. Apologies for the bouncy video, was using some head tracking software) [1]:
Me: "Boston Tower, November 112 Charlie Delta, requesting radio check."
Tower: "November 112 Charlie Delta, Boston Tower, you're 5x5, how me?"
Hahaha! That was pretty damn cool!
It felt good to talk to and listen to other people via voice chat in an Internet game without being called some slur, music blasting in the background, or people yelling at their mom to get them Cheetohs.
EDIT: There was a guy awhile back who would stream his VATSIM controller sessions out of KBOS. I haven't seen him online in ages. But I think he was the controller I was talking to. Here is a 10 hour (!) stream of one of his sessions. The dude was amazing. [2]
[1] https://youtu.be/-JTmCG0zeOM?t=95
[2] https://www.twitch.tv/sh3ed/clip/DoubtfulVenomousKittenHumbl...