Rational Frummie:
Halevai that would be true. Many extremely frum Guys and girls from really frum homes have fallen real fast- and it started with a click of the mouse. And they fell real bad, unfortunately.
I know many of these people, very well. And its very scary, and very sad.
The yetzer hara does not discriminate between circumstances. If anything, he tries harder on those who are stronger.