Seriously... why? Explain to me why on earth would you people color the inside of your plastic ketchup bottles red and your mustard bottles yellow?
This just makes no sense at all. What this does... is it makes it harder for your customers to know when they are running low on these condiments, until one night when they are hungry and they pluck the bottle off the shelf and try to use some on their sandwich.
Had I been able to see that the bottle was low on goodness by glancing at it, I would have added it to my shopping list.
How inconvenient.
Do we need a 'Stupid Manufacturing Law' to protect us consumers?
I think YES.