I don't use Jepp plates so not in a position to comment. Wouldn't it make life easier though if they applied one logic for all plates and approach types i.e. just write the absolute minima which you cannot go below without the required visual references?
Presumably whoever decided that we can dip below DA on an ILS has already built in some fat to make sure that we are safe/don't hit anything during the go around and presumably they applied a worst case scenario to allow for anything from cessnas to Jumbos. If we are coming up with our own derived DA for NPA (or hopefully not given the information above) surely they can just give us the absolute minima so that each aircraft type can build in a suitable factor to stay above the minima and get us down as low as safely possible? A common solution that caters for a vast array of aircraft types.