This was pretty much true when I was last using C#. You would find specific places where you need "an object" (e.g. maybe you want to LINQ over some data in a m

This was pretty much true when I was last using C#. You would find specific places where you need "an object" (e.g. maybe you want to LINQ over some data in a method) so you could dynamically create it but if you wanted that object to go anywhere outside of scope you had to have a concrete definition.