Thanks for the clarification. > "...so is economically not a good idea for them." This would imply that the trust model itself would have to undergo a fundame

Thanks for the clarification. > "...so is economically not a good idea for them." This would imply that the trust model itself would have to undergo a fundamental shift (and likely has done). There are now entities you have to trust, rather than the system itself -- at which point the decentralised aspect is less of a defining feature.