a halving has nothing to do with its value. demand stays the same, supply cut in half. analogy fits no matter which asset class you happen to respect more
Yes, supply growth. A semantical distinction not used in any other asset class so why here? Maybe it does better help someone understand, here's to hoping.
But in any case, BTC does get burned in a variety of ways - immovable unable to be spent - in predictable ways based on the poor but improving user experiences. When it isn't burned, people look at the days destroyed metric to understand the actual supply.