The Conduct Of Spring Bank Interview; Is It Fair?

The problem of unemployment is this country has totally made the employer of labour acting just the way they feel is right.
A friend of mine was called for an interview in Springbank, according to him, they were about 200 that were invited, due to the number, they were divided into various groups, say about four groups, that is different panel interviewing the candiates at the same time, but the process of the interview was not fair to all, while some of the panel will just require for the candidates credentials ask them to introduce themself with a question like who is the AU chairman, others will require the same credentials and then ask the candidates to explain the current situation regarding the PTDF issue, and what the stand of the senators is, when it was my friends turn, he introduce himself show them his credentials and before you knew it, questions concerning Economics terms and policies were being rushed at him from different angles, while trying to answer one the other will just bring another, according to him he got confuse because he doesnt even know whose own to respond to, it was as if someone doesnt want him to get the job among the interviwer, Good and fine he read Economics but that doesnt mean he should be taking for Pro. Charles Soludo (CBN Governor), just because they know they are good in Economic, afterall we have Yoruba language gradutes today creating waves in the Banking Sector today.
The question is, is that the proper conduct of Interview? where are all the questions that has to do with Knowledge of the Enviroment, the banking industry etc, i have been to one or two banking interview, but never have i witness any of such. when you know all the candiates are going for the same job, why not giving them the same pattern of question, why asking some to explain economic policies, defining economic terms and going as far as asking them to give the difference between NEEDs and WANTs, while  others are just being ask the most cheapest question like who is AU chairman, what is Ecowas, Who is the formal UN Secretary General etc.
Tom be Sincere is it fair to all concern?
Please Responce are welcome, Because the process of Change in Our country starts from here!
Thanks

why should an economics graduate have a problem with differenciating between needs and wants. if u are informed and u follow the news, there wudn`t be any problem with those questions. so stop your pity party and get informed.

thanks for the various reply i quite reason with you all and i think i now have a better stand of advicing him better, you guys are genious. indeed God is the altimate of all.