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It’s all fun and games until you burn down a few thousand houses.

Not entirely sure, but this fire aligns with July 4, and has one death:

The biggest forest fire I know of in Southern California this year was caused by a boater using his government mandated safety flares.

If there was not a law regulating the use of these incendiary devices, Santa Rosa may not have burned.

Your own link contradicts the assertion you’re making about the origin of the fire.