Questions about shoe rack

From my point of view, definitely no. We use it conventionally as a shoe rack. To stabilise it, I had to screw in an additional 8 Spax wood screws after a few months of use. With my two boys, this ice cream parlour would probably not survive a day.
But if you also screw in wood screws at all the joints (12 in total), it should hold.

Hello, it's a small shoe rack and really only meant for shoes, too unstable to sit on. Even several on top of each other would not hold! Maximum load => shoes.

The distance between the plates is 1.8cm. It is quite stable