Your grammar lacks. A correct version of your post would read:
Until you've worked in the retail/food industries, you can never understand the level of stupidity that exists in this world.
The customer isn't always right!
Level of stupidness max999
Your grammar lacks. A correct version of your post would read:
Until you've worked in the retail/food industries, you can never understand the level of stupidity that exists in this world.
The customer isn't always right!