A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
You should refer to the first post of this thread.
Is there cause for frustration here? Sure. Could things have gone better up to now? Maybe. Maybe not. Do we need any more of this kind of outburst...
Comparing where technologies are right now, .NET projects using Microsoft.NET.Sdk typically don't need to do that. Worst case most of the time is...