Most kids tell you what they need, even if they don’t have the words. If we hover over their homework and they can’t say ‘stop pressuring me’ or ‘trust me to do it,’ they might say something disrespectful. But they always try to tell us what they need.
If the mitzvah of lighting candles is zecher l’Mikdash, then some form of mehadrin can be compared to other forms of hiddur mitzvah. But if the mitzvah is for pirsumei nisa, then mehadrin, especially mehadrin min hamehadrin, takes on new significance.