These things drip all over stuff, and the drippings can increase the flammability of whatever they soak into. The bucket can get hot enough to ignite adjacent material. This will burn quickly and brightly. You can also toss in your candle stubs or blocks of paraffin wax. Scrape dishes and pans before washing.
Stupid rules are for stupid people.
Many learn by example. Be a good one. Above all, have a good war with only memories and no scars.