Explore the reasons for not using the MediatR package in ASP.NET Core development. Learn how avoiding this dependency can lead to more maintainable code, reduced code mass, improved readability of control flow, and faster performance. Dive into a project overview, examining behaviors, migrations, handlers, user command pipelines, taskable validators, and reusable pipes. Gain insights into creating efficient and streamlined ASP.NET Core applications without relying on MediatR.