> Maybe people shouldn't say evil and hateful things about anyone

Noone is debating that. The concern here is about having law enforcement step in to such delicate personal issues. It won't work the way lawmakers say it would, and the abuse potential for such laws are too high.

> Japan doesn't seem to have these problems with people culturally defecting from civility even when they disagree

I assure you that Japanese people are every bit as human as the rest of the global population, for better or for worse. If you need an example, just look into the incident that prompted this law.