If you searched for BIAB (brew in a bag), you see that many people use this method (which is actually Mash IAB). I still use my bag for small beers and partial mashes, as it makes cleanup easier and rather than trying to stir a very shallow grain bed, I can teabag.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk