Github user uce commented on the pull request:
https://github.com/apache/flink/pull/1752#issuecomment-196242519
I think Stephan has a point and we should maybe not encourage usage of
`ProgramDescription` in the examples, because we advertise the simple
main-method entry point in all the docs.
Other than that, I think it's a good idea to remove the unconditional usage
printing.
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