Along with “land and expand”. Where they use a small project to get over the initial hurdle, foot in the door so to speak. Then, they start trying to rebuild everything your company touches
Their flavor involves hiring people with a very high tolerance for complexity, and letting them propose the most complex solution to any problem. Eventually your own people get tired of trying to keep up with even the summaries, and just abdicate. Now that part of the system is only understood by IGS, and the rot begins to spread.