Unless it's a major health issue like cross-contamination, if your partner, housemate, or kid likes to do things differently than you do, let them. Even if it bugs you, know that it's far from the end of the world if the dishwasher is loaded 'the wrong way' or the cheese ends up in the produce drawer.
Focus on What Really Matters
Pick your battles carefully. Picking too many fights in the kitchen is sure to end in disgruntlement on both sides.