>In software, the problem is closedness, protectionism, and undocumentedness, not proprietary wheel reinvention.
Quite simply, the first three problems are actually caused by proprietary wheel reinvention.
Correct. But proprietary wheel reinvention is necessary (albeit clearly not sufficient) for progress, so we mustn't prohibit it!
Correct. But proprietary wheel reinvention is necessary (albeit clearly not sufficient) for progress, so we mustn't prohibit it!