Regardless of the reason for the misspelled stickers, they are so prominent and visible that any (western?) employee to saw the boards should have noticed. At the very least, there should be some QC human or even automated visual software which would identify oddities.
In fact, what's the point of putting a sticker on if nobody is going to look at it?
Marketing? Without seeing the internal quality check requirements, and how any deviations are to be treated and were treated in that particular case, it is kind of pointless in reading to much into it.
In fact, what's the point of putting a sticker on if nobody is going to look at it?