[afandian]

Granted, lots of people use text editors. Some use text editors with plugins.

But some people use IDEs. Some IDEs have nice integrated features that make a difference in a team environment. E.g. one place I worked we used Visual Studio and I wrote an add-in for running our particular suite of integration tests. In the Microsoft ecosystem the whole integrated thing is very significant.

Although I suppose if you were applying for a .NET job the choice of IDEs would be assumed unless stated.