It is so deeply ingrained because there are many ways in which technology has made life better, both for the technophile and the average person.
Admittedly, there are many harms as well. I can't say whether one outweighs the other, and perhaps it is because the technophile often avoids many of the involved harms that it becomes too easy for many to overlook them or play down the impact.
It is a difficult question indeed, and it depends also on the following: are we measuring the developments of today by how they will affect the world in 10 years or 100? Most people seem to agree that the latter is the more logical measure, yet we operate as if we are using the former.
Admittedly, there are many harms as well. I can't say whether one outweighs the other, and perhaps it is because the technophile often avoids many of the involved harms that it becomes too easy for many to overlook them or play down the impact.