why no defense

This Video, has us wondering why someone would go to all the trouble of making a base , and putting turrets on the base, but not putting weapons on the turrets, leaving the base totally defenseless against an attack as seen in the video. Why ??? Granted it's a mediocre base , but why leave it totally undefended ???
PLEASE leave comments as to why you think this is, or if your base is undefended also, please let us know the reasoning behind this !

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