[phkahler]

>>> Because I want the title to be concise, but still help people explicitly understand what my writing is about?

And yet from TFA:

>> In fact, we found that matching your H1 to your title dropped typically dropped the degree of rewriting across the board, often dramatically.

Users don't look much at titles - they end up in the browser tab or somewhere like that. If a title doesn't match the H1 heading it's often to get more stuff in for SEO. OTOH short titles might be useful when they show up in a tab where there is limited space. Maybe they shouldn't lengthen them for that reason.