The efforts for re-construction have failed to a great extent. This is partly down to the NATO countries failure to implement it, and partly due to the massive amount of corruption that is constantly complained about by the Afghan people. It wasn't until around 2006, 5 years after the invasion, that the security situation became much worse, and it appears to be going further in that direction.
There are other factors to. The forcible iradication of poppy cultivation has in fact strengthened the insurgency that protects these fields in exchange for payment. This further weakens the government in the reach of their control. Its such a mess really, but it needn't have come to this.
Even in provinces directly surrounding Kabul, the Taliban are in charge. They do at least provide some form of security and functioning government.
http://www.uruknet.info/?p=m48126&hd=&size=1&l=e
I don't see how the insurgency can be beaten having come to this stage. Brigadier Carleton-Smith, the outgoing senior British commander in Afghanistan said recently:
I was told by someone who knows a bit more than me:
'I have no doubt at all that the very word Taliban is a deep inaccuracy. In reality the resistance/insurgent forces are made up of a variety of different factions, from what I can tell these fall into 4 different categories,
1) Old Taliban government forces committed to Deobandist Islam
2) Gulbuddin Hekmatyar's forces in the East - Nurangahar, Kunar, Nooristan and across the border in Mahmond Agency and perhaps North Waziristan
3) Jallludin's Haqqani's forces in Khost, Paktika, Paktia provinces and in South Waziristan (perhaps Tank agency too)
4) General Pashtun tribal forces who are not closely aligned with any of the above but who have decided to resist the occupation; this is where much of the drug money comes from
The Taliban and Haqqani's forces are the most aggressive of these, but if Hekmatyar ever decides to go full throttle (he has tens of thousands of men) rather than partial then it will be the equivalent of the Mehdi Army rising up, i.e. NATO/US forces will be in a whole heap of trouble.
However, for the sake of the propaganda they always refer to the 4 factions as being Taliban or neo-Taliban, which is not really accurate and clearly just a phrase designed to make westerners comfortable with the concept of there being an enemy which MUST be fought.
Notice I do not place Al-Qaeda in the list as they are (apart from never really existing as such anyway) mostly confined to FATA agencies and have little or no operation in Afghanistan - and even in NWFP mostly they are not Al-Qaeda as much as Islamic Movement of Uzbekistan - plus a few Chechens.'
How accurate it is to say that the insurgency we are fighting in Helmand is actual Taliban I am not sure. It is clear however that Helmand is one of the main areas of opium cultivation.