Matrix roles and the organizations they reside in are complex, and those who simplify, succeed. Simplicity drives agreement. Reaching an agreement is dependent on your ability to simply and clearly state what is needed and why. If there are options to consider, they must be laid out clearly. Overwhelming already overwhelmed people with a complex description of a problem and its solution undercuts your efforts. If they are going to disagree, you want them to disagree on the merit of your proposal, not because they don’t have the energy to figure out what you are requesting.