Thirdly, it created a means by which Coloured dissent could be de-legitimised.
Stop demanding revolution! Stop supporting extremist groups! You have a vote now, work within the system. Wasn't this what you wanted? Sure, your representative doesn't get everything they wanted, but it's childish to expect them to. Change takes time. You're part of the democratic process. Be proud of it.
Please ignore that your vote is basically thrown in the bin, and that your neighbour doesn't get to vote at all.