@theangriestbird
In addition to ego (which I'm sure plays a role) I think I would find myself reticent to lower the difficultly to "Easy" for a couple reasons
1) The default difficultly, which is typically "normal" is often the intended experience, and if I can play like that, I see value in it.
2) Related to (1), difficulty settings are often poorly thought-out; it's quite common for hard mode to simply make enemies bullet sponges or for easy to turn them into cardboard cutouts, which is a disappointing experience.