Its a long rethorical description of a concept widely valued and (unfortunately) seldom practiced called tolerance. Especifically tolernace for the belifs of others.
Using his intelligence and rethoric hability to despites the value of people that has some kind of spirituality. Like talking about children.
Although what he says is true we should always respect what other people belive meanwhile they do not harm other persons he forgets to consider atheist that bluntly attack religious people.
...People with either delusions of grandeur or the delusional belief in a God or afterlife should not be frowned upon because mental delusions are just one of the many amazing functions of the human mind...
...if this person's belief just simply brings them personal pleasure in life, then it should not be frowned upon at all and should be acknowledged as an amazing function of his/her mind that makes this person that more amazing. I have delusions of grandeur ...
...There are innocent people here just living their own fantasy world not harming others or causing wars and we should just leave these people alone and never tell them the truth of reality as long as they are happy with their fantasies. We should encourage their fantasies to make them even more happy...