It does work over network, so you don't need any physical connection apart from being in the same network. Therefore, it's easier, faster, less complicated, and more.
Right, actually you can use Discord natively on Wayland just passing the flags mentioned in the post. The only issue I have found with the official Discord client is that it doesn't support streaming audio alongside to streaming your screen, but vesktop does the trick for that.
Well, you can use it from a browser which makes it platform independent and without the need to install anything. Also it's more friendly for non-tech people.
Upset? I'm just explaining what happened, learn to read.