No one can sincerely follow those rules, because they are too subjective. The only reason people tolerate them is because they are not enforced. But when you do enforce something from them, it's always unjust and unfair, like in this case.

> When someone is routinely dropping lit matches in a dry forest, "he only started one wildfire" is obviously no defense.

He has lots and lots of comments of which only a couple that you didn't like. Absolutely nothing like "routinely dropping lit matches".