The multiplayer first-person shooter Counter-Strike: Global Offensive, aka CSGO, is one of the most popular games in the world today. It is also one of the most popular games for streamers on Twitch, YouTube and other streaming platforms.
That is why people who are trying to get better at CSGO quickly spend several hours a day watching other people play the game on Twitch. That way you can watch without having to worry about your own survival chances, and can learn from people who are extremely good at the game.
Reading these chat comments can be a very good way to learn how to improve your CSGO skills quickly, as they will often have suggestions about better ways to kill enemies than the streamer you are watching.
These videos can be very useful as they often contain information the people making them have gleaned from their own mistakes made while playing CSGO.