David Attenborough - Humans have stopped evolving

According to yesterdays Daily Telegraph :-

http://www.telegraph.co.uk/science/evolution/10297124/Sir-David-Attenborough-Humans-have-stopped-evolving.html

He theorises that, as the human race is now able to raise 95% of it's babies, Darwinian 'natural selection' no longer applies and that we shall only develop along cultural lines, not develop the human body and mind any further.

Also that the human race is getting too large (in numbers) and that families should be limited in size.

Today there is another article published, which opposes much of Attenborough's interview.

http://blogs.telegraph.co.uk/news/tomchiversscience/100235363/evolution-its-not-over-yet/

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My views on this:

Medicine has developed enormously over the past 30 years and now many babies who would have died - even in my lifetime - are now kept alive and have some sort of life for many years. Most still have a lower life expectation, in both quality and length, than 'normal' babies. I don't want to tread on anyone's toes here, but in my view it would be more humane in some of the worst cases to allow nature to take it's course at birth, not use vast resources to keep the infant alive at any cost. There would obviously be great difficulties for doctors and nurses to establish the border between the cases that should be salvaged and those considered non-viable for a good level of quality of life (think back to the days of Thalidomide and the number of children allowed to pass on then).

Also the number of children born in third-world countries who now survive to adulthood and breed. (Including also large families in first world countries). It used to be that three out of five babies did not survive their first year and two fifths of the remainder did not survive to adulthood. Now almost all survive. Thus the colossal boom in population in Africa, India and other countries. The infrastructure in these areas cannot support this boom in population - thus one reason for the large movement of peoples around the world, seeking better conditions of life.

Should we consider the compulsory sterilisation of both males and females after they have managed to produce - three, say - offspring?

Do we consider that the human race has peaked, and that the medically reinforced survival of imperfect humans is slowing or stopping the continued natural development of the human race? (I'm not talking about the development of more tools for us to use, but the physical strengths of the human body - faster, more agile, able to withstand climate extremes, so on). And what will happen when the world population goes from the present 6 billkion (I think) to 8 billion? Food? Water? Destroy the entire rain forest? Climate change for real? Should we encorage China and India to have a war and wipe each other out? Then wipe out Africa?

I'm just the messenger - don't shoot me! Although at 76 years old maybe I'm not productive any longer. But I can still deliver a 750MW power station quicker than anyone else - and it'll work from the start! (Other major projects, such as fertiliser plants, oil-gas processing, oil/gas pipelines also undertaken)