> It could also indicate that News companies make more money from a tiny number of subscribers than whoever would pay microtransactions
which is exactly what "doesn't work" means - not enough revenue from microtransations compared to another avenue (such as subscription + adverts).
> they don't really have the cashflow to play around and experiment with business strategies
i suppose that's possible as well - but some news outlets do have sufficient revenue to experiment, and they either hadnt, or have and found it wanting.
> not ask hard questions over actual journalism
that has nothing to do with the funding model. You're conflating separate concerns - one being a business concern, and one being a civic concern.