How do you feel about Gulliver's method of drowning the fire in the royal palace? What irony is involved in the accusation of treason?

When Gulliver puts out the palace's fire by urinating on it, Swift is doing more than making a joke that one should pee on the problems of the state. A fire is a serious thing. One serious implication is that royalty is ephemeral. The royal palace can catch on fire just like anything else, and when it does, no amount of royal power can put it out, just physics-and the dirty side of nature at that. Gulliver proves the point when everyone under the emperor's power is trying to put out the fire with their tiny buckets, and he realizes the only way to put it out is by urinating. Swift is also showing the reader something about the ridiculous needs of royalty, because even though Gulliver has saved the palace he has done so in a blameworthy manner.