How are those mutually exclusive? Enterprise software ends up as something invariably so specific to the company using it that it doesn’t matter if it’s open-s

How are those mutually exclusive? Enterprise software ends up as something invariably so specific to the company using it that it doesn’t matter if it’s open-source or not - absolutely no-one could extract any value from it than the original company and whatever kafkaesque internal processes lead to its development. Anything more general-purpose is already commodity - ERP being the prime example.