Nothing about pegged value. A bit above I wrote:
It is not directive issued by someone. It is just "official" ascertaining or the market price snapshot.
Those POS solutions with automatic bank deposits (if it really works) may do only for so called civilized zone (SEPA or USA). Not bad share but there is 90% of the remaining world. And also entity should want to hold and use Bitcoin further, not rid of it immediately after income. This offered way is rather extensive for Bitcoin adoption process.