Real cause of current spread of terrorism
Spread of terrorism today has very little to do with Muslim religion or poor people. Main cause of spread of terrorism today is that many Muslim countries are ruled by Army or feudal lords. For example Pakistan has now democracy but real rulers are mainly army top guys and a few feudal lords. Saudi Arabia is another example. These rulers have decided that they can never have technological economic capacity to fight conventional wars or to stop spread of development in their country, which may result in erosion in their hold over masses in their country. It seems that then they decided that only way they can have their power in their own country as well as in other countries is by having proxy wars using terrorism and instigating religious sentiments among masses to have support for such wars. For this to happen they do not mind even people in their own country getting killed. ...

Extremism in Pakistani society started from upper middle class
Many articles in Pakistani press point out that real extremism in their society also started from upper middle class and mainly army officers. (see links below for three articles from well known Pakistani writers giving an exceptionally good analysis of current situation in Pakistan on evolution of extremism in their society and also an interesting hub on the same topic by Perrya)

It is these rulers who are also bent on keeping main population there uneducated and poor and using them as a tool. Creating Muslim religious sentiments to find foot soldiers all over world is also being used by them as a tool to create an international proxy war set up. .....
Incapacity of India or China and quagmires of USA and West European countries
It is unfortunate that large countries of the region like India, China are now not properly organized or managed. Thus they do not have time being capacity or strategy to fight these rulers and help economically the actual population in these countries. The western countries have got involved, specially after 9/11, in fighting only foot soldiers and are in the name of helping population in these countries helping and paying bribes to only these top rulers. Even earlier than 9/11 they were playing the same game......
USA is now bent on fighting in af-pak sector of war from both sides
The strategies of USA and Western European countries now seem to be lost in corruption in their own set up and a quagmire. They are fighting the foot soldiers and at the same time helping these top rulers who are organizing these foot soldiers against them. Thus they seem to be bent on fighting in af-pak sector war from both sides...