I suspect that can be true, as the sheets are one-size-fits-all rather than measuring based on the size. Usually I run laundry before it’s too full to reduce increased noise in the closet near my office. If I ever notice it’s not getting clean when more full I’ll just throw 2 sheets in given how cheap they are

I’ll mention you can get detergent sheets and they work fine. No more messing with powders or liquids for me.