"I'm convinced my cockroaches have military training, I set off a roach bomb - they diffused it"

This quote by Jay London is an amusing method of expressing his frustration with the cockroaches in his house. He is suggesting that the cockroaches are so smart and arranged that they have the ability to outmaneuver him and his attempts to eliminate them. He is suggesting that the cockroaches have basic training, as they had the ability to diffuse the roach bomb he set off. This quote is a humorous way of expressing the problem of eliminating cockroaches, as they are often durable and tough to eliminate. It is also a way of revealing adoration for the intelligence of the cockroaches, as they were able to outmaneuver him and his attempts to get rid of them.