its matter of lust money and power
I Guess you have conclucded this result from your surrounding, if only you had nice company/family or surrondings you have not comeup with this conclusion, how come you know whats going on in the hearts and mind of the married couple? Have you got any authority on it.
Plus your remarks on Prophet (PBUH) shows the class you belong, So be very very carefull what you are talking about.
The common problem with desis are, when they go overseas, they see every thing, including their religion, traditions and pious personalities ( which may include the parents) are mentally retarted if not old-fashioned. This sympton is normally found in persons having weak personality.