Spyware is no different than hacking into someones computer and stealing all their data. People who created them or use them should be prosecuted as theifs.
Its more like invading a house and rifling through and stealing people's personal possessions. Steve Gibson of Gibson Research Corporation doesn't look kindly on this at all. As you can expect, he thinks personalized advertising is out of bounds, period. No one has the right to know about me and what I eat, wear, use, and drive. Its no one else's business.