Half-mast

Half-masting the flag on Remembrance Day only is like going to church on xmas and easter only.
Half-masting the flag as needed every time there's a significant death is like humbly praying to your god every time you genuinely feel the need for guidance.

Half-masting on Remembrance Day only is like buying your partner a dozen red roses on Valentine's Day and never doing anything romantic for them the rest of the year.
Half-masting as needed is like buying your partner a bouquet of these really cool-looking blue flowers you saw, just because you were thinking today at work how wonderful it is to have such an awesome partner.

Half-masting on Remembrance Day only is like calling your mother because it's Mother's Day.
Half-masting as needed is like calling your mother because you thought she'd enjoy your story about the funny thing that happened on the way home from work.

Half-masting on Remembrance Day only is like buying your friend a gift certificate to Indigo for their birthday.
Half-masting as needed is like noticing when your friend mentions "Oh, there was this book I had as a kid that I really liked, I forget what it was called but there were blue people in it, and a monkey and a dog," then googling madly and asking reference librarians and finally finding the title and going through three ebay bidding wars to get it for them for their birthday.

Half-masting on Remembrance Day only is like telling your kid you're proud of them on their graduation.
Half-masting as needed is like telling your kid you're proud of them when you caught them doing something innocuous yet surprisingly mature when they didn't know you were watching.

Half-masting on Remembrance Day only will not make it more meaningful; quite the contrary. Removing all thought from something, making it nothing more than a clockwork ritual, can only take away from its meaning.