You can cook crumbly rice without rinsing it multiple times before cooking..
This is reported by the Zen channel ‘Technologist’s Kitchen’ with a link to a recipe from culinary historian V. V. Pokhlebkin.
How to cook crumbly rice without rinsing
First, it is important to strictly observe the proportions. For 200 ml of rice you need 300 ml of water.
Second, you need to cook the rice under a lid. It should fit snugly into the pan.
Thirdly, cooking time. Cook for 3 minutes on high heat, 7 on moderate heat, 2 on low heat.
After 12 minutes, remove the pan from the heat and let it sit for another 12 minutes.
Add salt to the cooked rice and stir gently with a wooden spoon.