SCO would be better if you got the same type of scanners as the regular registers
Putting everything from the cart onto a belt, and having access to more than 2-4 sets of bags (or a whole carousel at walmart!) without the dumb "did you scan this?" prompt would make me use SCO every single time. Trying to bag groceries in current SCO is miserable, and the sensors are usually so bad that you CANT EVEN REMOVE FULL BAGS when you need to fill another bag
He's not teaching advanced science concepts, you don't need a background in science to teach bog-standard science to children
Science Guy is there to get kids excited about science, not to enforce scientific rigor