Board Thread:Versus Debates/@comment-25122992-20161209152835/@comment-734582-20161230145813

Kakashisologod wrote: Why did sasuke said 1000 only?Downplay? Why would he specify the exact amount? Sasuke said it to deconstruct Boruto's complaints. He wasn't making some battle analysis.

It's similar to Kakashi's "copied over a thousand jutsu". It's simply a figure of speech that roughly translates to "A whole damn lot".