Exactly my thoughts. I figure the rinsing is for a nice presentation, which we don't care about.Rinsing clear seems like it should reduce your sweetness. You're getting rid of extra starches that will be converted to sweet sugars over the whole process.
I just made a 2 cup batch. Soaked an hour or so, no rinsing, dumped on steamer with cheesecloth for 30 minutes. Cooled, spread, added 6 yeast tablets, mixed. A little dry so I added maybe half a cup of water to help mix the yeast. Then in the dark at 80°F.........