To better explain what we did with the CreateUsers() method of the DbSeeder class, we should spend a few words about the concept async tasks.
Whoever knows the basics of thread programming within legacy ASP.NET knows well that you should never even think about blocking an async task. The reason isn't always immediate to explain and understand, yet we'll try to give it a shot. One of the first thing you should learn when working with sync methods invoking async tasks in ASP.NET is that when the top-level method awaits a task, its current execution context gets blocked until the task completes. This won't be a problem, unless that context allows only one thread to run at a time, which is precisely ...
