Then you're creating a per-page accounting system where you still don't need one, with all the tracking and privacy invasion that entails.

Measure share of readership, and you're largely set.

You're re-iterating (best I can tell) earlier arguments, made and dismissed. HN's "only show the immediate post being replied to", particularly on mobile, makes referencing your GP comments all but impossible, but again: I and others far more intelligent than me have considered and rejected the micropayment arguments and pointed out further inequities they ignore.