CIS white men are a big constituency in this country and many will be offended by this. We have more Sikhs in Parliament in Canada than we do in India. Why? Because they understand the party process and are great at going out and getting signatures and donations from the Sikh community.
And there's nothing wrong with that, that's how the game is played - any organized constituency can effectively hack the candidate and leadership selection process if they sign up enough members. I get that diversity is important but if the NDP is serious then they need to stop excluding people.
If racism and exclusion is bad, then it's bad for everyone - there's no one group it's okay to blacklist because other members of their racial group had it good for a long time. The NDP used to be rural - farmers, resource workers, blue collars, etc. Rural areas are not as diverse as cities.