1) we’d be evacuated, so I couldn’t stay here and chat with you; and
2) I’d possibly get into heaps of trouble for starting the fire and criminal damage and the like.
Hmm. Maybe you can try concentrating very very hard on setting the filing cabinets alight, and see if you can make them catch fire that way. You can hardly be blamed for what would appear to be spontaneous combustion, can you? And you’d finally be rid of your nemeses, the filing cabinets!