That is because he's giving a tiny example of a starter template for a console app. If you were writing a "production-level" console app with multiple commands

That is because he's giving a tiny example of a starter template for a console app. If you were writing a "production-level" console app with multiple commands, logging, needed DI, input validation, nice looking progress bars, etc. Then this is pretty much what I'd want for a console template tbh. Spectre.Console looks insanely nice.