Hinduism's basic tenet is that many roads exist by which men have pursued and still pursue their quest for the truth and that none has universal validity.
Building technical systems involves a lot of hard work and specialized knowledge: languages and protocols, coding and debugging, testing and refactoring.
All this happens without him knowing - they actually install cameras in his apartment and hire this girl to get him to fall in love with her so that she can be in the apartment and present him products without him knowing.