From an economics point of view, its a stupid decision. Inflation is going north very fast and anything that can help slow it down should be encouraged.
Turnover has actually increased because more people can now use their phones total rather than flashing. This should then increase tax collection overtime,
In terms of ROI, these are private entities, as already demonstrated by Safcom, all the profit-seeking telcos are moving into data provision where they can still dictate price.
And how it does help wanjiku if you stop telcos reducing her cost of calling.
ABK
The Governor of Nyeri - 2017