Is it simply because you can just wave your hand and do it? Though with concentration, I mean...

[He thinks for a moment and tries to think this through. It seems... lazy, but maybe just because he's not used to it. Wouldn't he do the same if he could?]

I imagine having to do things manually must be a difficult adjustment. I've had to do it that way for several thousand years, so if you do need help with those kinds of skills do let me know.