Why should most Iranian good's sucks in one way?

When I was in Iran, there were common sayings like:

This is Iranian so it wont last long.
This is Chinese so it will break easily.
This is from foreign (usually means US, Japan, or high tech countries)

Here in Canada I realized that we only saw the bad side of Chinese products in our country, while most of top notched goods used in Canada are produced in China. A while ago I bought Iranian rice from Calgary. It has a nice quality and also a small portion of saffron is included inside the package, but unfortunately the packaging sucks, It sucks so bad! When you open the bag you have to think of something to put all of the rice in it. Right after I remembered the cold-Syrups in Iran. The cap works only one time and it will not fit any more after the first time you open it.
Why should Iranian packaging sucks so bad? Why don't the designers pay more attention to the look, packaging and outside of the product instead of just focusing on the inside? Are they aware how much money the are losing by losing their dissappointed customers?

I heard from my friend who is studying in business student nowadays most business companies are putting more effort on the look and shape of their products to steal the customer's eyes! Why Iranian designers fail to see such an important issue? Today you should care for the convince of your customers and put much time to satisfy this important fact. Well I think this is not gonna happen in near future ...