He wanted a place of worship to be the holiest place of all. He needed it to be of Gods liking.
That modern children rather interact with technology and technology barely drastically changes and so they get bored and used to it but socializing can change at any giving moment and never gets boring
The answer to your question would be the last answer, starting with "Darkness, greed, and corruption" Charles Dickens creates this sense of darkness by the words he uses to describe the scene, such as "foul, cesspools, bad repute".
