What is the opinion of Reddit about the
Moderna AA70 No Scoop Needed Open Litter Boxes?

Not quite, I meant something where the litter itself is on a sieve surface, rather than just the lid of the box. Something like this, except in an enclosed box with a top entry hole: https://smile.amazon.co.uk/Moderna-Lift-Sift-Litter-Box/dp/B01N7BX2XO