He made that as a waful joke, to the point even his fans also asking him to stop making those edgy jokes. He used to make N-word or any edgy joke because he was toxic gamer mentality. I remember seeing a total backlash on Pewdiepie official subreddit.

After the incident, he stopped making any edgy jokes. All of his content in the past half decade are basically wholesome or hobbyist stuff. He also recognize his mistake on several occasion.