Why is Razor Pages the recommended approach to create a Web UI in Asp.net Core?

Question

Learning new things needs an investment of time, space and energy. I am currently learning Asp.Net Core MVC 2.0. This ASP.NET Core tutorials overview states:

Answer 1

Developers were on forums in 2013 asking "What does Microsoft mean, Silverlight is not the recommended ...???" Only this time, it is that MVC is going to be pronounced dead and long live MVVM. And you can likely expect MVC to be thrown to the scrap heap, slowly, but sped up in about 18 months from now, and any and all time you spent learning MVC will go to that same scrap heap. Also, MVVM looks easy but it takes a year to get the hang of it and really do it right.