Sadly there is a large contingent of "fingers in the ears" downvoters here on HN who will move quickly to squash any coherent counter-point to the madness of cu

Sadly there is a large contingent of "fingers in the ears" downvoters here on HN who will move quickly to squash any coherent counter-point to the madness of current orthodoxy. Disappointing really - we would all benefit from more open discussion of pros and cons of different issues, without partisan blinkers on.