pba:
1- I didn’t mean by a”z, I meant that you’d be more likely to know one that could be applied.
2- You aren’t serving the idol, you’re destroying it in a way that gives you no hana’a.
2a- You aren’t buring it, I am and I don’t serve it
2b- Side issue: what if the idol was made of hemp or some other thing that people burn deliberately not as fuel?