For now they get a pass. The sloppyness doesn't infringe on the content and if Ai can more easily animate heads on period uniforms than the time the rotated 20-odd heads with slightly less period-correct outfits it doesn't impact things for me.
I'm not that visually engaged, though, and loved their simpler content (like bazzbattles, too). If they start skimping ont the research, though, it will draw the line.