The Group Mentality And “Sikhi”
The Gurbani forbids the Sikhs to mortgage their sense of fairness to their group alliances; however, the group mentality commands many of the Sikhs’ general behavior; on many Sikh sites, it is not the fairness that is important but the importance of the group that runs the site.
This very practice is seen in the Gurdwaras built in foreign countries as well in the local Gurdwaras in India; if one group takes over the control of a Gurdwara, another group builds another Gurdwara. It is not the Gurbani that guides them but their group – alliance and they always beat the drums of Sikhi. The group mentality not only advocates discrimination, but also it encourages the mind to fall for corrupt pursuits.
Long time ago, Fourth Nanak addressed this issue, but the Sikhs have been turning a deaf ear to the Guru. Many Sikh groups still love the caste system trashed repeatedly in the Gurbani. What is going on? The answer is very simple: the Sikhs love more living culture than following the Gurbani – guidance. 
Millions of Sikhs go to Darbar Sahib and other highly advertised Gurdwaras; however, they return without learning a bit; many times they read the Gurbani without caring what the Gurbani says. Most of them love to do rituals, because it is easy to do a ritual; they don’t care what the Gurbani demands from them.
It is nothing but a hypocritical way of living. The group mentality literally kills the seeker. First Nanak questioned the hypocritical behavior of the Pundits and the Qaazi, and if we look at the lives of the Sikh – preachers today, they resemble with the same kinds of Pundits and Qaazis whose hypocrisy First Nanak questioned. 
The Gurbani demands the Sikhs to rise above group mentality and to live in this big family of the Creator. In our own families, we feel opposition, but we don’t sever our relations totally; in the same way, in the Creator’s big family, there is negativity; nonetheless, there are ways out to negate it; never ever, as per the Gurbani, the fairness should be lost.
The group mentality is very dangerous for a Sikh for his or her spiritual progression. The following shabda of Fourth Nanak on 366, SGGS, advises us to remain very fair by making alliance only with our Creator who has blessed us with so much in many ways.
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Sincerely yours
Anant Singh