you are quite right if these differences creats bad attitudes and behaviour.
All people are equal in the day of judgement becaus God will look only at the good things you have done and whether you worshiped him in the right way or no.
God will not look at how many houses you had or cars or milions of dollars you had.
Olive I can not force you to read the articl I put, and if you read it then its better to go to the original link.
I repeat the most important message picking any religion is a choice.
All what I can do is post some articles which supports my point and people are free to read it and comment on it if they want.