maybe, but i do feel clean after. i can see exactly what and how much it has
picked up, hair, cat hair, litter, dust, food bits on the kitchen floor. it
seems to be very effective, pretty amazing for how simple it is. A recent
example is one kitty dug out bunch of dirt from indoor plant pot. It takes
just a few minutes to clean up vs. hand mop/sweep.
It doesnt work well on carpets/area rug though.