Why is it so popular in Japan to have regional / seasonal limited edition goods?

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I can understand why people like having limited edition goods but while im here in Japan i see an excessively use of limited stuff around here in comparison to Germany where i come from.

They are obviously successful, so why is it not implemented (not even remotely excessively) in other countries?

EDIT: Examples:Sakura Cola (i dont even drink Cola but i purchased them and as advertised you can only purchase them in spring? )Many regionspecific products e.g. KitKati also once got a Hokkaido Sapporo special edtion beer which can only be purchased in Hokkaido (an Island in the North of Japan)

I also heard that Starbucks has especially many limited edition offers although i’m not sure whether this is the same case in Germany because i’m not too into Starbucks
EDIT2: flair

In: Culture