On 9 Apr, 20:27, "John" wrote:
I was in a city centre chain store today and saw a display stand part way up
a staircase (at a turn). It looked wrong and I rather forcefully told a
member of staff that it was wrong and should be moved immediately! (pompous
git)

Was I right?

No.
The correct procedure in such cases is to remove the products at the
bottom of the display causing the whole lot avalanche down the stairs.