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How does designing a speaker that takes 500 hours to break-in, make it a good design?

Only speaking to your comment on the theoretical of 500 hours ... good design. 

I would doubt break-in is a target for speakers... but what they sound like is after breakin. A minimum life of a decent speaker system is 20,000 to 30,000 hours withiout noticeable degradation... many can easily go much longer like over 50,000. 500 is not much. I can easily see it happen if the target is very tight sonic qualities then very ridged materials is what you would start with and those materials may take a long time to reach optimum pliability. 

very true. but how does that make it a good design. it seems to me that if a speaker takes that many hours to sound like it should that it is basically a crappy  design

Look at the converse, we compromised the sonics of the speaker to avoid breakin. So, you have a speaker that doesn't sound as good. This is a highly competitive businesses. So you compromise the sound to say our speaker has less breakin required. Design is all about constraints. 

what the hell are you talking about?