The swear words in Quebec originate from old religious principles, yes. You can differentiate between "good" and "bad" (swear) use of it purely from written con

The swear words in Quebec originate from old religious principles, yes. You can differentiate between "good" and "bad" (swear) use of it purely from written context or verbal cues. The verbal cues are a lot easier to pick up on. Sarcasm, angry face, crass conversation amongst friends, etc.