In the context of the question (A319, 20, etc) I'm not qualified to disagree. I would, however, point out that holding the nosewheel off is not intrinsically good/bad. It is type specific.
In some older and some military types, without reversers, it would be done to save a brake chute, or brakes, or in case of hydraulic failure. I used it in that way some - no, many - years ago in a Canberra with no brakes (or flaps) and of course in order to do that, it had to be practiced.