I assume this is meant as criticism, but to be fair to the list, it classifies 5 out of these 6 as 0, which apparently means {Use as a profanity = unlikely, Use in clean text = likely}, and the 6th one (addict) is a 'maybe' on both scales which seems fair to me: wouldn't a respectful source speak of addiction, addictive substances, people who are addicted, etc.?

From just this short list and a handful of other words I looked at, they seem to have done a reasonable job of classifying them, even if I see other issues such as completeness and what even is the purpose