if you have a problem, take it up with him and be sure you have a compelling argument
The argument is invalid for source tarballs because
1. we don't provide recent ones 90% of the time.
2. those who do provide them include them.
3. anyone dumb enough to distribute one without the required externs inclluded needs a head examination
4. FEX can be disabled, its not required if it is unwanted.
5. a wget type tool can be executed from the cmake script to pull any required externals that aren't included in the tarball.
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