I agree absolutely! Still to this day Foo and Bar only serve as an abstract distraction to me, so I would wonder why not use areal world example? I always liked learning code from real working examples,and I always seemed to have a hard time understanding examples using Foo, Bar and Baz, so much so that after a while when I would start reading a tutorial or explanation and saw those they only served to irritate me so much that I was no longer in the mood to learn.
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