Who else thinks slowing sales is probably due to a supply glut from low interest rates? I know low rates has meant its prime time to invest in capital goods, es

Who else thinks slowing sales is probably due to a supply glut from low interest rates? I know low rates has meant its prime time to invest in capital goods, especially expensive ones. Perhaps they've sold new planes to everyone who wants them, and there's less and less companies interested in buying? Pure speculation, though.