The Dutch "tradition" of Zwarte Piet (Black Piet) dates back to the 1850s when slavery was still legal (and accepted). The interesting point of this video is its clarification of some Dutcher's vehement defense of blackface: many Dutch associate it with their childhood excitement and happiness.
I see no reason why today's Dutch children need to grow up with men in blackface. They can be happy with any version of a gift-giving sidekick to Sinterklaas.
Addendum: The EU network against racism debunks just about every "defense" of Zwarte Piet.