Since it costs the same to ship a mediocre product as the best products, it makes sense to ship the nicest stuff since a premium can be charged for it.
Happens in the US too, for the same reasons. Our export avocados tend to be larger an nicer looking than the domestically circulated equivalents. However, they both taste the same.
That explains it! I lived in California, where all the grocery-store avocadoes were marked 'Florida'. And California is a major avocado-growing region! I suppose all their best ones ended up in Florida.
The same happens here in Florida with orange juice. Every grocery store carries many varieties of "California orange juice". Which seems silly, given that we have great oranges right here.
