As far as China is concerned, I don't think it matters. The wall in question is not being built to one-up them, its being built for a very real need on India's part. India may not be paradise, but anything's better than Bangladesh (for living conditions.) Its the same argument about the US/Mexican border.
"It is well that war is so terrible, else we should grow too fond of it."
- General Robert E. Lee
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"It takes a big man to admit when he's wrong. I am NOT a big man." -Chevy Chase